Zhao Xueqin, Cai Quan, Wang Ying
[Purpose/Significance] Due to a large number of privacy security issues in the era of big data,accelerating the construction of a perfect personal information protection policy system has become an urgent task in China.Therefore,it is of great significance for our government to further improve its policy system to carry out the quantitative research on the personal information protection policy text.[Methods/Process] Taking the personal information protection policy issued by the state as the research object,using the statistical measurement method and content analysis method,analysing the item category characteristics one by one from the three-dimensional analysis framework of policy tools,social system theory and policy effectiveness,and the current personal information protection policy system in China.[Results/Conclusion] From the perspective of policy tools,China's environmental policy tools were more used,lack of collaborative use of supply and demand policy tools,and the use of policy tools was unbalanced;from the perspective of social system theory,the implementation of personal information protection in China mainly depended on the constraints on information collectors and the public,with less government and technical control;from the perspective of policy effectiveness,with the number of policies increasing With the increase,the cumulative total effectiveness of policies was increasing,but the growth rate of policy effectiveness was quite different.Finally,the paper put forward some policy suggestions for the formulation of personal information protection policy in China.