The grass-roots social governance in ethnic areas is not only related to local harmony and development, but also to national stability and prosperity. As socialism with Chinese characteristics has entered a new era, the Party’s ethnic work faces many new situations and challenges, and the problems it faces are more special and complex. Innovate and implement various mechanisms such as regional co-construction with community party organizations as the core, discussion and consultation based on contacts and joint efforts, Internet interaction with normal communication as the orientation, assessment and evaluation with party building responsibility as the main body, and Party and mass services with civilian service as the purpose, gather a strong synergy of co-construction, co-governance and sharing. To continuously improve the effectiveness of grassroots social governance in ethnic areas with high-quality party building.