In the process of urbanization，economic growth and real estate development，the South Korean government faces several challenges，such as the laws and regulations restricted agricultural land usage conversion，the reasonable division of the main responsibility of real estate development，the coordination of the subject relationship，the distribution of exploiting dividend and so on. To solve the problems generated in urbanization and real estate development，the South Korean government gradually released population limitation and persuasion policy in mega cities，“development restricted district” policy aim to control the land supply of mega cities，land and housing policies tend to mass construction of apartment buildings，“Land district consolidation” policy，housing price limitation and public operated land development policy，real estate tax and so on，maybe there is inspiration to China.