如何使用 Claude AI：功能、设置和专业技巧 (2026)

快速入门

本指南涵盖了 Claude AI 的所有功能：

• 入门 — Create your account and complete basic setup
• How to Use Extensive Context Window — Process long documents and complex tasks with ease
• How to Use Ability to Process Multiple Files — Upload and analyze several files at once
• 如何运用创意写作 — Draft compelling content, stories, and copy
• 如何使用编码和调试 — Write, translate, and fix code in seconds
• 如何使用文物 — Preview and export live code and documents
• 如何使用项目 — Organize conversations and share context across chats
• 如何使用网络搜索集成 — Get up-to-date answers grounded in real-world data

所需时间： 每部影片 5 分钟

本指南还包含以下内容： 专业提示 | 常见错误 | 故障排除 | 定价 | 替代方案

为什么信任本指南

I’ve used Claude AI for months and tested every feature covered here.

This how to use Claude AI tutorial comes from real hands-on experience — not marketing fluff or vendor screenshots.

Claude AI is one of the most powerful AI chatbot tools available today.

But most users only scratch the surface of what this capable model can do.

This guide shows you how to use every major feature — from navigating unstructured 数据 to orchestrating multi step workflows.

一步一步教你，附带截图和专业技巧。

克劳德人工智能教程

This complete Claude AI tutorial walks you through every feature step by step, from initial setup to advanced tips that will make you a power user.

克劳德人工智能

Claude is Anthropic’s flagship AI chatbot built for sophisticated reasoning, code writing, and long-document analysis. It supports up to 200K tokens of context, making it the go-to powerful AI model for complex tasks. Start for free — no credit card required.

立即体验 Claude AI →

阅读完整评测 →

克劳德人工智能替代方案 →

Claude AI 入门指南

使用任何功能之前，请先完成此一次性设置。

大约需要3分钟。

请先观看这段简短的概述：

现在让我们一步一步来。

第一步：创建您的帐户

前往 claude.ai and click “Sign Up.”

请输入您的电子邮件地址并创建密码。

You can also sign in with your Google account for faster access.

✓ 检查点： 检查你的 收件箱 for a confirmation email from Anthropic.

Step 2: Access Claude on Web or Mobile

Claude AI is accessible via the web browser at claude.ai — no download needed to start.

You can also download the dedicated desktop or mobile app for a faster experience.

Log in with your new account to reach the chat screen.

这就是仪表盘的样子：

✓ 检查点： You should see the main chat screen with a new conversation prompt.

Step 3: Choose Your Model and Start a New Chat

Free users get access to Claude’s second AI model — Claude Sonnet — which handles most everyday tasks well.

Upgrading to Claude Pro gives you priority access to the most powerful model in the Claude model family.

Click “New Chat” or the new conversation button to begin.

如何使用 Claude AI 的扩展上下文窗口

扩展上下文窗口 lets you feed Claude up to 200K tokens — roughly 150,000 words — in a single prompt.

This makes it ideal for deriving insights from long documents, navigating unstructured data, and handling intricate inquiries without losing context.

以下是使用步骤。

观看此功能的实际演示：

现在让我们逐一分析每个步骤。

Step 1: Open a New Conversation

Click the new chat button from your Claude dashboard.

You start with a fresh context window ready to receive large inputs.

Step 2: Paste or Upload Your Long Document

Paste your text directly into the message box, or use the file upload icon to attach a document.

Claude can handle full contracts, research papers, codebases, and transcripts in a single pass.

这就是它的样子：

✓ 检查点： Your document appears in the message thread and Claude acknowledges it.

Step 3: Ask Targeted Questions About the Content

Type a specific question about your document — for example, “Summarize the key findings” or “What are the payment terms?”

Claude uses its undergraduate level knowledge and graduate level reasoning to deliver accurate, context-sensitive answers.

How to Use Claude AI Ability to Process Multiple Files

能够处理多个文件 lets you upload several documents simultaneously and ask Claude questions across all of them at once.

This is perfect for comparing reports, consolidating data, or handling intricate inquiries that span multiple sources.

以下是使用步骤。

观看此功能的实际演示：

现在让我们逐一分析每个步骤。

Step 1: Open a New Chat and Click the File Icon

Start a new conversation on the chat screen.

Click the paperclip or file upload icon in the message input area.

Step 2: Select and Upload Multiple Files

Choose up to five files from your device — PDFs, Word docs, CSVs, and plain text all work.

Wait for each file to finish uploading before sending your message.

这就是它的样子：

✓ 检查点： All uploaded files appear as thumbnails above the message input.

Step 3: Ask a Cross-Document Question

Type your question referencing all files — for example, “Compare the Q1 results across these three reports.”

Claude processes all uploaded documents together and delivers a unified, accurate answer.

如何使用 Claude AI 创意写作

创意写作 lets you independently write stories, blog posts, marketing copy, scripts, and more with Claude’s help.

Claude uses its generative AI capabilities to produce high-quality content that matches your tone and style.

以下是使用步骤。

观看此功能的实际演示：

现在让我们逐一分析每个步骤。

Step 1: Describe Your Writing Task Clearly

Start a new conversation and tell Claude exactly what you need.

Include the format, tone, length, and audience — for example, “Write a 500-word blog intro about AI safety for a general audience.”

Step 2: Review the Draft and Request Revisions

Claude returns a full draft based on your prompt.

Read through it and ask for specific changes — “Make it shorter,” “Add more examples,” or “Use a more formal tone.”

✓ 检查点： Claude returns a revised version that reflects your exact feedback.

Step 3: Export or Refine Your Final Copy

Once satisfied, copy the text or save it to a Project for later use.

You can ask Claude for helpful advice on improving word choice, structure, or SEO at any point.

如何使用 Claude AI 进行编码和调试

编码和调试 lets you write, execute code logic, handle code translations, and troubleshoot errors across dozens of programming languages.

Claude’s troubleshooting capabilities and code writing skills make it a go-to tool for developers and data science professionals alike.

以下是使用步骤。

观看此功能的实际演示：

现在让我们逐一分析每个步骤。

Step 1: Describe Your Coding Task or Paste Your Error

In the chat screen, describe what you need — “Write a Python function to parse a CSV” or paste your broken code directly.

Include the programming language, expected output, and any error messages you’re seeing.

Step 2: Review Claude’s Code Output

Claude returns clean, commented code with an explanation of what each part does.

For debugging tasks, it identifies the root cause and provides a corrected version.

这就是它的样子：

✓ 检查点： You see working code with an explanation and, where relevant, actionable predictions about edge cases.

Step 3: Iterate and Refine Your Code

Ask follow-up questions — “Can you add error handling?” or “Translate this to JavaScript.”

Claude handles code translations between languages with high accuracy and explains the differences.

如何使用 Claude AI Artifacts

文物 lets you view, interact with, and export live-rendered code, documents, and high quality statistical visualizations directly in the Claude interface.

The Artifacts UI shows an interactive preview alongside the chat — perfect for data science work and rapid prototyping.

以下是使用步骤。

观看此功能的实际演示：

现在让我们逐一分析每个步骤。

Step 1: Ask Claude to Create a Renderable Output

Ask Claude to write HTML, React components, SVGs, or charts — for example, “Create a bar chart showing monthly sales data.”

Claude detects that a visual output is needed and automatically opens the Artifacts panel.

Step 2: Interact with the Live Preview

The Artifacts UI displays the rendered result side by side with the chat.

Click through the preview, resize elements, and check functionality without leaving Claude.

这就是它的样子：

✓ 检查点： Your chart, document, or component renders correctly in the preview panel on the right.

Step 3: Iterate and Export

Ask Claude to modify colors, data, or layout — the preview updates in real time.

Copy the code or download the artifact for use in your own projects.

如何使用 Claude AI 项目

项目 lets you group related conversations, share persistent context, and integrate Claude into ongoing workflows — all from one organized workspace.

This is the foundation for orchestrating multi step workflows and keeping Claude focused on a specific task over time.

以下是使用步骤。

现在让我们逐一分析每个步骤。

步骤 1：创建新项目

From the Claude sidebar, click “Projects” and then “New Project.”

Give it a name — for example, “Marketing Campaign Q3” or “Customer Support Responses.”

Step 2: Add Instructions and Upload Context Files

Write custom instructions in the Project’s system prompt — this tells Claude your preferred tone, role, and constraints for every conversation in this Project.

Upload relevant files — brand guidelines, knowledge bases, or datasets — so Claude has the right context without you repeating it each time.

✓ 检查点： Your Project shows the custom instructions and uploaded files in the settings panel.

Step 3: Start Conversations Within the Project

Click “New Chat” inside your Project to start a conversation that automatically inherits your instructions and files.

Every new conversation in the Project uses the same shared context — no repeating yourself.

如何使用 Claude AI 网络搜索集成

网络搜索集成 lets you ask Claude questions that require current, real-world information — and get answers grounded in live data rather than its training cutoff.

This is essential for research, decision making, and any task where you need more insights from recent events.

以下是使用步骤。

现在让我们逐一分析每个步骤。

Step 1: Enable Web Search in Your Chat

In a new conversation, click the search or tools icon in the message input area.

Toggle on “Search the web” to activate real-time search for this session.

Step 2: Ask a Question Requiring Current Data

Type a query that needs up-to-date information — for example, “What are the latest AI models released this month?”

Claude searches the web and returns a cited, accurate answer drawing from relevant tools and live sources.

✓ 检查点： Claude’s response includes source citations and reflects current information beyond its training data.

Step 3: Follow Up for Deeper Research

Ask follow-up questions to go deeper — “Summarize the top 3 findings” or “Compare these two sources.”

Claude uses sophisticated reasoning to synthesize multiple search results into actionable predictions and clear recommendations.

Claude AI 专业技巧和快捷方式

After testing Claude AI extensively, here are my best tips.

键盘快捷键

大多数人错过的隐藏功能

• 扩展思维模式： On paid plans, toggle on Extended Thinking to let Claude reason out loud for complex tasks — the answer quality jumps noticeably for graduate level reasoning challenges.
• Google Workspace 集成： Connect Claude to your Google Drive, Gmail, and Docs to integrate Claude directly into your existing workflows — no copy-pasting needed.
• Early Access Features: Anthropic regularly rolls out early access features to Pro and Max users — check the settings menu to enable experimental AI capabilities before they go public.

克劳德人工智能常见错误及避免方法

错误一：编写模糊的提示语

Mistake #2: Treating Each Chat as Isolated

Mistake #3: Not Asking Claude to Verify Its Own Work

克劳德人工智能故障排除

Problem: Claude’s responses are cut off mid-answer

原因： You’ve hit the output token limit for your current plan or the conversation is too long.

使固定： Type “continue” or “keep going” and Claude will resume from where it left off. For long tasks, break your request into smaller steps across multiple turns.

问题：文件上传失败或 Claude 无法读取文档

原因： The file is too large, in an unsupported format, or contains scanned (image-only) content with no text layer.

使固定： Convert scanned PDFs to text-searchable PDFs using OCR software, reduce file size, or paste the text content directly into the chat. Supported formats include PDF, DOCX, TXT, and CSV.

问题：克劳德提供的信息已过时。

原因： Claude’s training data has a knowledge cutoff and it may not know about very recent events.

使固定： Enable Web Search Integration for current data, or paste a relevant article or document into the chat so Claude can answer questions based on what you’ve provided rather than its training alone.

📌 笔记： If none of these fix your issue, contact Claude support via the Help menu in your dashboard.

Claude AI是什么？

克劳德人工智能 is a powerful AI chatbot and large language model developed by Anthropic, one of the leading AI companies focused on AI safety.

Think of it like having a senior researcher, 作家, and developer available to answer questions, write, reason, and execute code — all from one chat interface.

观看这段快速概览：

Claude is built on Constitutional AI — a method developed by Anthropic to align AI models with human values through rule-based self-evaluation — making it one of the safest and most honest AI models available.

它包含以下主要特点：

• 扩展上下文窗口： Process up to 200K tokens — around 150,000 words — in a single conversation for deep document analysis and navigating unstructured data.
• Ability to Process Multiple Files: Upload several documents at once and ask Claude questions that draw from all of them simultaneously.
• 创意写作： Draft, edit, and refine long-form content, copy, scripts, and more with Claude’s generative AI capabilities.
• 编码和调试： Write and fix code across multiple languages with advanced troubleshooting capabilities and code translations support.
• 文物： View and interact with live-rendered outputs — including high quality statistical visualizations and interactive components — in a side-by-side Artifacts UI.
• 项目： Organize related conversations with shared context for orchestrating multi-step workflows at scale.
• 网络搜索集成： Access real-time data and deriving insights from live sources for research, decision making, and more.

The Claude model family includes Claude Haiku, Claude Sonnet, and Claude Opus — each balancing speed and intelligence for different use cases, from fast everyday tasks to the most powerful model tier for complex tasks.

如需完整评测，请参阅我们的 Claude AI 评论.

克劳德人工智能定价

以下是 Claude AI 在 2026 年的成本：

免费试用： Yes — the Free plan gives permanent access to Claude at no cost.

退款保证： Contact Anthropic support within the billing period for refund options.

💰 性价比最高： Pro at $17/person/month — it delivers priority access to the most capable model in the Claude model family at a fraction of the Max plan cost, making it ideal for most power users and professionals.

Claude AI 与替代方案

Claude AI 与其他产品相比如何？以下是竞争格局：

快速精选：

• 综合最佳： Claude AI — the most powerful model for long documents, coding, and nuanced reasoning with a strong AI safety foundation.
• 最佳预算： Deepseek — free access to a capable model with strong reasoning performance.
• 最适合初学者： ChatGPT — the most widely recognized AI chatbot with an easy onboarding experience.
• Best for real-time research: Perplexity — built specifically for web-grounded answers with cited sources.

🎯 Claude AI 替代方案

正在寻找 Claude AI 的替代方案？以下是一些最佳选择：

• 🚀 ChatGPT： The most widely used AI chatbot globally — great for general-purpose tasks, voice chat, and image creation with a massive plugin library.
• 🧠 双子座： Google’s AI model built into Google Workspace — ideal if you already use Gmail, Docs, and Drive and want to integrate Claude-style capabilities there.
• 🔍 困惑： A search-first AI chatbot that pulls real-time answers from the web with citations — excellent for research and fact-checking tasks.
• ⚡ 格罗克： xAI’s chatbot with deep X/Twitter integration and real-time data access — a strong pick for 社交媒体 intelligence and current events.
• 💼 副驾驶： 微软 人工智能助手 embedded in Windows and Office 365 — the best option for enterprise customers already on the Microsoft stack.
• 💰 Deepseek： A free, open-weight AI model with surprisingly strong reasoning — a budget-friendly alternative for developers and data science professionals.
• 🤖 手： An autonomous AI agent designed to complete multi-step tasks independently — great for users who want an AI that acts, not just chats.
• 🌟 宝可梦： An AI assistant with a focus on personalized interactions and productivity — worth exploring for everyday task management.
• 🔎 安迪搜索： A conversational 人工智能搜索引擎 that gives direct answers instead of a list of links — ideal for quick, no-scroll research.
• 📊 You.com： An AI-powered search and chat platform with built-in code, writing, and research modes — a solid all-in-one alternative to Claude.

完整列表请参见我们的 Claude AI 的替代方案 指导。

⚔️ Claude AI 对比

以下是 Claude AI 与各竞争对手的对比情况：

• Claude AI vs ChatGPT: Claude wins on long document analysis and AI safety; ChatGPT wins on plugin library and voice features. For writing and coding, Claude AI is often the stronger choice.
• 克劳德人工智能 vs 双子座: Claude handles more complex tasks and longer contexts; Gemini wins for users deeply embedded in Google Workspace who want to integrate AI into existing tools.
• Claude AI vs Perplexity： Perplexity is better for real-time web answers; Claude is better for reasoning, writing, and code writing where depth matters more than recency.
• Claude AI 对战 Grok： Grok excels at real-time social data; Claude is the stronger AI model for sophisticated reasoning, long documents, and professional use cases.
• Claude AI 对战 Copilot： Copilot is better inside Microsoft 365; Claude is more powerful for standalone tasks, creative writing, and complex tasks outside the Office suite.
• Claude AI 对阵 Deepseek： Deepseek is a strong free option; Claude Pro offers a more powerful model with better context handling and priority access for demanding users.
• Claude AI 对战 Manus： Manus focuses on autonomous task execution; Claude is better for interactive, back-and-forth collaboration and handling intricate inquiries that require nuanced reasoning.
• Claude AI 对战 Pokee： Pokee targets casual personal use; Claude offers far greater depth, AI skills, and 能力 for professional and technical work.
• Claude AI vs Andi Search： Andi Search is great for quick lookups; Claude is the better choice when you need thorough analysis, multi-step workflows, or deriving insights from complex sources.
• Claude AI vs You.com： You.com offers a capable all-in-one search and chat experience; Claude provides deeper reasoning, longer context, and more reliable outputs for demanding tasks.

立即开始使用 Claude AI

你已经学会了如何使用 Claude AI 的所有主要功能：

• ✅ 扩展上下文窗口
• ✅ Ability to Process Multiple Files
• ✅ 创意写作
• ✅ 编码和调试
• ✅ 文物
• ✅ 项目
• ✅ 网络搜索集成

下一步： 选择一项功能，立即试用。

Most people start with the Extensive Context Window — paste a long document and ask Claude to summarize it.

只需不到5分钟。

常见问题解答

我如何访问 Claude Anthropic AI？

You can access Claude AI by visiting claude.ai and creating a free account. Sign up with your email or Google account, confirm your email, and you’ll land directly on the chat screen. Claude is also accessible via the Anthropic API for developers, through Amazon Bedrock for enterprise customers, and via the desktop and mobile apps. No credit card is required for the free tier.

Claude可以免费使用吗？

Yes — Claude AI has a free plan at $0 that gives you access to a capable model for everyday tasks. The free tier has usage limits compared to paid plans. Claude Pro is available at $17/person/month for priority access and higher usage, while the Max plan at $100/person/month is designed for enterprise customers with heavy workloads. Anthropic also offers early access to new features on paid tiers.

Claude AI 比 ChatGPT 更好吗？

Claude and ChatGPT excel in different areas. Claude is widely considered the stronger AI model for long document analysis, sophisticated reasoning, and writing — thanks to its 200K token context window and Constitutional AI training. ChatGPT has a larger plugin library, voice chat, and image creation. For coding, both are strong; for nuanced reasoning and AI safety, Claude is the preferred choice among many professionals and leading AI companies.

Claude AI是用来做什么的？

Claude is used for a wide range of tasks including writing and editing, code writing and debugging, data science analysis, summarization of long documents, decision making support, context sensitive customer support, multi-step workflows, and interpreting charts and unstructured data. Businesses also use Claude via the API and Amazon Bedrock to build AI-powered products and automate complex tasks at scale.

claude.ai 使用安全吗？

Yes — Claude is built by Anthropic, an AI research company and one of the leading AI companies focused specifically on AI safety. Claude is trained using Constitutional AI, a method that embeds ethical guidelines directly into the model’s decision-making. It’s designed to avoid harmful outputs, give honest answers, and flag uncertainty rather than confabulate. Your conversations are not used to train future models unless you opt in.

如何使用Claude AI API？

To use the Claude AI API, sign up at console.anthropic.com, generate an API key, and make POST requests to the /v1/messages endpoint. You can specify which model to use — from Claude Haiku for speed to Claude Opus for the most powerful model performance. The API supports multi-step workflows, tool use, and document uploads. Anthropic also offers SDK libraries for Python and TypeScript to make integration faster. Amazon Bedrock is another way to access Claude for enterprise deployments.

What is Claude 3 Sonnet?

Claude 3.5 Sonnet is Anthropic’s second AI model in the current Claude model family — balancing speed, intelligence, and cost. It outperforms Claude 3 Opus on many benchmarks while being significantly more affordable, making it the go-to capable model for most business and developer use cases. Claude 3.5 Sonnet is available on Google Cloud’s Vertex AI, Amazon Bedrock, and directly via the Anthropic API.

claude.ai 的费用是多少？

Claude AI is free to use at $0/month with the standard plan. Claude Pro costs $17/person/month and gives you priority access, higher usage limits, and access to the most powerful model in the Claude model family. The Max plan is $100/person/month for enterprise customers who need the highest capacity. All prices are billed monthly — there’s no annual lock-in required.

Claude 与 ChatGPT 有何不同？

Claude is built by Anthropic, an AI research company founded by former OpenAI researchers with a core focus on AI safety. ChatGPT is built by OpenAI. Key differences: Claude supports up to 200K tokens of context versus ChatGPT’s smaller standard window; Claude uses Constitutional AI for safety alignment; ChatGPT has voice chat, image generation via DALL·E, and a larger plugin library. For sophisticated reasoning, writing, and handling long documents, Claude is generally preferred by power users.

What is the use of Claude AI?

Claude is used for writing, editing, summarization, code writing, debugging, decision making, data science, answering questions, interpreting charts, and context-sensitive customer support. It’s also used to independently write reports, build multi-step workflows, and extract actionable predictions from unstructured data. Enterprise customers use Claude via the API and Amazon Bedrock to build custom AI-powered applications and automate complex business processes.