In the process of the development of Chinese ancient society

the building of the social security system was distinctive in Qin Dynasty. Because of the development of economy

thoughts

political system and traffic conditions

a solid foundation for the building of social security system was set up. With the implementation of social relief

old-age insurance and social welfare in Qin Dynasty

the social security system was well established. The effectiveness of social security was ensured by the government who played a leading role in the social security system

its procedure and legalization in Qin Dynasty. However

due to the grade differentia in the social security and the people’s own security ability neglected and damaged by the government

the social security lost its functions of maintaining social stability.