Abstract:llegal building prolems occurred in rural areas has the characteristics of more, poor and mixed. In this paper, on the basis of analyzing these problems, it is regarded that the economic benefits driven, unreasonable planning, inadequate guidance and poor monitoring and management are major causes. It is suggested that publicity of laws and regulations, inspections of land and resources, and law enforcement efforts should be strengthened to increase plan awareness. The System of compensation for the land use rights of house sites and farmers in rural areas should be established as well.