The right of social security is a fundamental right of citizenship,and it is also an important component of human rights.The purpose of social security is to protect human existence and development,and it has the value of social justice,freedom and efficiency.China has built up a protection system of social security,including various policies and actions in response to citizens' risk in aged,health,maternity,unemployment,and all kinds of special difficulties.The government will do more efforts in the field of expanding the coverage of social security,promoting the integration of urban and rural social security system,giving priority to investing in people's overall development,and coordinating various social security systems in the future. <<