Data is the core factor of production in digital economy. Topics such as to improve the production efficiency and promote the high-quality development of digital economy have been an important problem. Personal data makes up of the largest proportion among all types of data as well as carries a series of challenges in governance across various fields. Above all，transferring personal data between different institutions is a key challenge due to the inconsistence between the liability subject and the party in interest. Right to data portability is an innovative resolution that entitles the rights to individuals to transfer personal information between institutions. This article not only analyzes the advantages and disadvantages of platform-driven and government-driven models in secure storage，trusted transfer and collaborative production，but also proposes individual-driven practices based on blockchain particularly to realize the right to data portability.