Abstract:As the medium for identifying the academic identity of researchers and associating scientific research elements, researcher identifier plays an important role in efficiently managing research data, establishing mechanisms for updating scientific data, and constructing knowledge maps of multi-source academic information. Using a combination of literature research and website research, this study analyzed the application status and deficiencies of researcher identifier to provide theoretical guidance for the construction of China's researcher identifier system. With the development and increasing dominance of international mainstream researcher identifiers, China has gradually recognized the importance of constructing independently controllable researcher identifier. In the process of constructing China's researcher identifier, it is necessary to avoid the conventional problems, such as the limitations of name disambiguation methods, insufficient data quality control and privacy protection. Also, all parties in China should cooperate in the formulation of standards, function improvement, system interoperability, data quality control and application promotion, so as to construct China's researcher identifier system oriented to open science and serving scientific research.