Abstract: From the view of public welfare effect,the present paper describes the developmental stages,content,and featuresof China's labor protection policies.China's labor protection policies include four major developmental stages according to thewelfare effects of the policies.Given this,the critical problems to be addressed should focus on issues regarding human rights suchas occupational hazards to migrant workers,protection of vulnerable groups,inequality in employment opportunities and resources.The government may revise and improve labor protection policies as soon as possible based on policy objectives,the role of policysubjects,and the key areas of interventiongroup