【摘要】基层公安行政机构设置改革是公安体制改革的重要组成部分，关于基层公安行政机构设置改革内容的合理性与合法性探讨，贯穿改革的整个过程。郑州公安机关机构设置改革在内容上引起了很大的争议，很多内容违反了现有的法律，缺乏合理性和合法性。本文从郑州公安行政机构设置改革入手，对相应的内容进行分析，并结合相关的法律进行判断和评述，提出一些完善的意见，力图为我国的公安体制改革提出一些建议和思路。

【关键词】基层公安机构设置  合理性  合法性  制度构建

【Abstract】The setting reformation of grassroots of Public Security Administration is a most important part of Public Security system reformation. Whether the content of it is rational and legal will be discussed through the course of reformation. Zhengzhou Public Security Administration setting reformation arouses a lot of controversy because many articles are against current laws, without rationality and legality. In this paper, I will start from Zhengzhou Public Security Administration setting reformation, and take an analysis of its content. Combining with judgements and comments of relevant laws , I will offer some advice and thought to perfect Public Security system reformation.

【Key words】grassroots of Public Security Administration setting; rationality; legality;system construction