Second class professor, chief physician, doctoral supervisor, dean of School of Stomatology of Southern Medical University, and dean of Shenzhen Stomatological Hospital (Pingshan) of Southern Medical University. At present, he is the executive director of the Chinese Stomatological Association, the chairman of the third committee of the Chinese Geriatric Stomatology Professional Committee, the vice-chairman of the Guangdong Stomatological Association, the chairman of the Geriatric Stomatology Professional Committee of the Guangdong Stomatological Association, and the vice-chairman of the Dental Pulp Disease Professional Committee of the Guangdong Stomatological Association.