基层社会生活群众自治,是我国宪法确定的一项重要社会制度。面对城市社区新的复杂情况,践行十八届三中全会提出的“改进社会治理方式”的一系列新举措,需要改革和发展居委会的作用。居民自治事务面临诸多新问题在传统的居民自治事务方面,住宅小区内部的环境卫生面临新问题,如垃圾的分类和收集、大楼楼道内保持整1 Grassroots social life Mass self-government is an important social system as defined in our Constitution. In the face of the new complexities of urban communities and the implementation of a series of new measures proposed by the Third Plenary Session of the 18th CPC Central Committee to “improve the mode of social governance,” it is necessary to reform and develop the role of neighborhood committees. Residents’ autonomous affairs face many new problems In the traditional resident autonomy affairs, environmental sanitation in residential quarters is facing new problems, such as the classification and collection of rubbish, and the whole building 1