调试在软件开发流程中是一个比较重要的环节,调试器是衡量一个软件开发环境优劣的重要因素.本文对嵌入式系统软件开发环境、软件调试、调试器设计所遵循的基本原理以及嵌入式系统中软件调试的特点作了一个概述关键词：嵌入式系统，程序调试Abstract: program debugger is a comparatively important step in software development cycle and debugger is an important factor determining whether a software development environment is good or not.the software development environment of embedded system,software debugging,the basic principles abided by in debugger design and the features of software debuggering in embedded systemare outlined.Key words: embedded system,program debugging.