Abstract: Urban and rural communities are the basic units of social governance. Urban and rural community governance is related to the implementation of major policies of the Party, the state and the essential interests of community residents. To improve the efficiency of community governance, innovating social governance system and having strong leadership of grass - roots Party organizations should go first. For a long time, Chengdu has adhered to the combination of grass-roots Party construction and community governance, the guidance of the Party construction, the center on people, promoting coordinated governance by multiple forces, and continuously innovative community governance. In recent years, Chengdu has taken the Party construction leading the development of urban and rural community governance as the focus of urban transformation and upgrading, actively planned overall arrangement and explored the practice path, the city has accumulated valuable experiences, and enriched practice path of modernization of governance system and governance capacity of mega cities.