Abstract: The nature of the information society is generating the personal information legal relationship, information flow is the key to analyzing the legal relationship of personal information, and is also the direct driving force for the personal information legal relationship. The main structure to personal information legal relationship is based on information self-determination, privacy and personality right. Among them, national interests has become a force that cannot be ignored in the structure of personal information legal relationship. The above three models respectively reflect individuals and enterprises, individuals and countries, especially the balance of interests among individuals, enterprises and the country. Due to the survivorship bias reflected by the balance of interests, the structure of the personal information legal relationship which molded by subject field information autonomy theory was reasonable and realistic.