# 第四章 提示词设计最佳实践

掌握了提示词的基本结构后，本章将深入探讨一系列经过验证的最佳实践，这些实践源自主流 AI 厂商的官方指南、研究者的实验发现以及从业者的实战经验。

最佳实践不是死板的规则，而是在大量试错和优化中总结出的有效模式。它们帮助提示词设计者避开常见的陷阱，更快地达到期望的效果。同时，这些实践也需要根据具体任务和模型特点灵活调整。

本章将从清晰性原则、结构化技巧、角色设定和迭代优化四个维度，系统性地介绍提示词设计的实用方法。

***

## 本章目标

* 理解本章核心概念与适用场景
* 掌握可复用的提示词/工作流模式
* 能将方法迁移到自己的任务中

## 先修知识

* 建议先阅读上一章或同等基础内容
* 如涉及代码示例，具备基本编程与 API 调用常识

## 本章内容

* [4.1 清晰性与具体性原则](/prompt_engineering_guide/di-yi-bu-fen-ji-chu-pian/04_best_practices/4.1_clarity_specificity.md)
* [4.2 分隔符与结构化表达](/prompt_engineering_guide/di-yi-bu-fen-ji-chu-pian/04_best_practices/4.2_delimiters.md)
* [4.3 角色设定与人格赋予](/prompt_engineering_guide/di-yi-bu-fen-ji-chu-pian/04_best_practices/4.3_role_setting.md)
* [4.4 迭代优化与测试方法](/prompt_engineering_guide/di-yi-bu-fen-ji-chu-pian/04_best_practices/4.4_iteration.md)
* [4.5 系统提示词设计（System Prompt）](/prompt_engineering_guide/di-yi-bu-fen-ji-chu-pian/04_best_practices/4.5_system_prompt_design.md)
* [本章小结](/prompt_engineering_guide/di-yi-bu-fen-ji-chu-pian/04_best_practices/summary.md)


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