| As a special group in the social transition, land-lost peasants have been faced with many problems that should be dealt with the support of social security system. This paper from the sustainable livelihood for landless farmers, social security, employment of landless peasants, landless peasants social adaptability, the interests of landless peasants, landless peasants, landless peasants research literature to sum up from the perspective of sustainable livelihoods, found that social security system for land lost Farmers Research deficiencies. Therefore, this article from the connotation of sustainable livelihoods and framework of landless peasants social security problem. Thirdly, according to the problems of landless peasants and landless farmers Sustainable Livelihoods Framework, and proposed three kind of livelihood strategy, including the basis of human capital the livelihood of lost territory farmer strategy, based on the social capital of lost territory farmer livelihood strategy and to finance capital mainly landless farmers’ livelihood strategy., the landless peasants social security theory study on sustainable livelihood perspective, analysis of the landless peasants social security connotation, philosophy and principles, including the construction of survival class social security project and development project of social security of lost territory farmer social security system, and pointed out that the social security system of landless peasants and livelihood capital relationship from the perspective of sustainable livelihoods, found the construction of social security system for land lost farmers contribute to enhance the farmers’ human capital, social capital and financial capital. Finally, using the preamble to the landless peasants social security theory and combination of Changan District social security of lost territory farmer survey data, put forward to improve the peasants human capital, social capital and financial capital project of social security policy advice. |