The innovation of grid-based grassroots social governance is not only an important practice path for the innovation of social governance under the new situation，but also an vital guarantee for maintaining social order in the capital and realizing people’s live and work in peace and contentment，and it is also a key issue that needs to be faced and resolved to promote the innovative development of political and legal work in the new era. Based on the practice summary and problem analysis of the grid-based grassroots social governance in Shunyi District in recent years，this article continues to explore ideas and measures for innovating grid-based grassroots social governance in-depth，continuously improve the ability and level of grassroots social governance，and further build a new pattern of social governance at the community level.