Land is a precious,irreclaimable resource,and reasonable use of every inch of land is closely related to interest of the whole human being.At present,there are a lot of problems of seriously violating the land use planning,wasting land in China.Of course,many reasons possibly lead to the problems,but imperfect legal system is one of the essential reasons.Although land use planning has been regulated in China,the legal enforcement is not very strong from the first beginning,and its binding force,compelling force have not been developed.Discussing the legal enforcement of land use planning has a very important significance for the sustainable development of economic society.