It occur to their employees loss of their necessary social security treatment,it needs to structure their social security frame which base on their working characteristic,and prior to research their more important aspects such as industrial injury insurance,medical insurance and endowment insurance.

This paper analyzes the situation that peasant workers work in cities, create a residual value, but their basic living is not guaranteed, and discusses the social pay and conditions of peasant workers.

Analysis of the character and economic effect of the social security tax;

Some imaginations about social security of Ni erji Reservoir immigrants;

City farmer dividing and their social security policy planning;

Discussion on social guarantee of peasants losing land in urbanization;

Thoughts on collecting the Tax of social guarantee;