The development of labor and social security in China has been reviewed in this paper from the following four aspects，employment，social security，labor relation and enterprise wage distribution. In 2013，employment priority strategy and a more proactive employment policy has been implemented in China，which has facilitated an overall stable employment situation. Significant progress has been achieved in terms of the development of social security system，which can be seen as follows：the coverage of the system has been increasingly extended；social security funds size further enlarged；social security benefit increasingly improved；operating and service delivery capability improved and its management even more well-regulated. New achievements have been chalked up in terms of enterprise wage distribution，labor relation coordination，labor disputes settlement and labor inspection. labor relation remains harmonious and stable across the country. Collective bargaining has been further extended to more and more enterprises；Wages increased continuously；Minimum wage increased in a majority of provinces over China. Further progress has been acchieved as well on labor and social security Institutional development，which has ensured the development of labor and social security undertaking. In the paper，in-depth analysis has been made on the current situation，problems and challenges faced by the Chinese labor and social security undertaking in its development course. And the main mission of the undertaking in the near future has been covered. Policy recommendations have been put forward on how to further promote the development of labor and social security undertaking in China.