What do you mean by combing the net and cleaning the grid?

Combing the bottom of the net and cleaning up the grid is grid social governance.

It is an important measure to promote the modernization of the national governance system and governance capacity, and it is an effective form of grassroots governance. Yancheng public security organs give full play to the role of the main force in social governance, relying on the natural advantages of police area as a grid, and innovatively put forward the idea of "pulling the net to clear the grid", focusing on people who are not at ease, hidden dangers and risky things, and solving unconventional and difficult problems with a two-pronged approach.