Following the fast development of industrialization and urbanization, the construction land utilization expands largely. Vast quantity of rural lands, in order to meet the land needs of urbanization, has been expropriated, in the name of public interests, for a commercial purpose, leading to more and more landless farmers. This paper aims at protect the landless farmers]’ interests, studies the legislation for government, collective organization and compensation, analyzes the legal limitations in land expropriation, and presents some approaches from legislation, execution and almsgiving.