Based on the current pace of urbanization in China, there arc about 4 million of farmers lost their land each yea!, land-lost farmers have become a large special social group, and this social group is growing rapidly, so It will benefit China's economic development and social stability to solve the housing problem of land-lost farmers The current policy of land acquisition and residence relocation is seriously unfair to land-lost farmers, and It is not conducive to sustainable urbanization and urban development To solve housing problems of land-lost farmers and maintain their property rights, governments need to establish a series of housing security system for land-lost farmers, including housing loan funds, affordable housing and low-rent housing especially for land-lost farmers. Such housing security systems could help land-lost farmers to achieve the transformation from peasants to urban residents