| Nowadays,the personal information collected by citizens is being arbitrarily collected,processed and utilized.It is extremely urgent to protect the self-determination of information from infringement and improve the legislative system for personal information protection in various countries.The entry into force of the EU General Data Protection Regulations has opened the curtain for the reform of individual information protection legislation in various countries.This is known as the most stringent information protection regulation in history and has received a lot of attention and discussion from scholars and operators.The Regulations have made major changes to the protection of personal information in many aspects,giving individuals more information rights and restricting the information transaction rules of information processors and controllers.The most fundamental purpose of these changes should be to strengthen the information subject.The right to self-determination of information,thus safeguarding the information sovereignty of each country;on the other hand,it is also to meet the needs of the era of large information technology development and unified digital market construction.The main body of this paper is divided into four parts.The first part analyzes the proposal and development process of the theory of self-determination of personal information.The concept was first proposed in Germany,and the subsequent EU Directives 95 and Regulations provided a lot of legislative experience for enriching the theory of self-determination of information.In order to strengthen the subject’s right to self-determination,the EU has made the following major measures: firstly expanding the scope of application of the Regulations and improving the regulatory mechanism for the right to self-determination of personal information;then raising the standard of the subject’s consent rules;Information automation processing strengthens the subject’s right to self-determination.The second part an analyzes the disputes in the Regulations on strengthening the relevant provisions on the right to self-determination of information,including the choice of legislative models,conflicts with other rights systems,and discussion of relief mechanisms.Regarding the relief rules for the right to self-determination of information,whether it is necessary to follow the two-level relief mechanism in the Regulations is also a place worth pondering.The third part analyzes the dilemma analysis of the consent rules as the basis of self-determination of information,and discusses the strategies of other personal information self-determination protection and its system malpractice,so as to further clarify the universality of the subject consent rules for the protection of personal information self-determination.Sex.The fourth part summarizes several inspirations for China’s information protection legislation based on the core content and dispute analysis of the information self-determination right in the Regulations.Exploring how the EU protects users’ self-determination of personal information in the face of big data technology,with a view to helping China’s personal information protection legislation. |