Along with the rapid industrialization and urbanization of China as well as the gradual deepening of the rural economic system reform and industrial restructuring, more and more farmers have come to the city and earn money. They have made great contributions to the social development, but simultaneously we should also realize that this group has been outside the social security system for a long time so as to be a disadvantageous group which cannot be neglected. The main reasons for this are the shackles of the long-time city-countryside dual s...
