This paper first analyzed the stakeholders involved in the various stages of the data life cycle and their interest appeal relationship, then discussed respectively the relevant policies and regulations related to opening scientific data and protecting personal data, and summarized the key points of policy synergy observation between the two types of policy groups for each stage of the data life cycle, and finally investigated and analyzed the policy synergy between the two types of policy groups introduced in China. Based on the relevant policy contents of personal data protection in the open scientific data policies formulated by foreign major stakeholders, the current open scientific data policies in China should be adjusted and improved according to the newly introduced personal data protection laws.