法律政策环境是影响防艾NGO发展的首要因素。四川省在立法推动NGO参与艾滋病防治工作方面走在全国前列。本文对四川省艾滋病防治相关的法律政策环境的演变过程和主要经验进行了分析总结;在此基础上,深入分析了法律政策环境的演变趋势对于防艾NGO合法化的有利影响;然后进一步对法律政策环境演变过程中不利于防艾NGO合法化的潜在障碍进行剖析。希望通过本文的研究能够对防艾NGO的合法化进程做出一些贡献。 The legal and policy environment is the primary factor influencing the development of the AIDS prevention in the country. Sichuan Province is at the forefront of legislation in promoting NGOs to participate in AIDS prevention and control. This article analyzes and summarizes the evolution process and major experiences of the legal and policy environment related to AIDS prevention and control in Sichuan Province; on this basis, it further analyzes the favorable impact of the evolution of the legal and policy environment on the legalization of NGOs in the region; Analysis of the potential obstacles to the legalization of AIDS NGOs in the evolution of the policy environment. It is hoped that through the study of this article, we can make some contributions to the legalization process of anti-AIDS NGOs.