Poverty is a common problem faced by all countries in the contemporary world. In our times，the poverty population is constantly increasing，the poverty situation is continuously getting worse，the gap between the rich and the poor is widening，and the trend of globalization of poverty is much more obvious than ever. The worsening of the poverty problem demands the strengthening of social security system. The social security system is naturally linked to the eradication of poverty. The eradication of poverty is one of the objects of the social security system，which in turn is an important way and method to eradicate poverty.