From 65438 to 0972, he was transferred to the Palace Museum. He has been engaged in the research, appraisal and exhibition of China ancient arts and crafts, especially ancient jade, and participated in the compilation of "cultural relics" and "museums" in the Encyclopedia of China. Participated in compiling and editing some chapters of China Art History (edited by Wang Chaowen), Complete Works of China Art, Jade Volume and other national key books.
He has taught and held various academic lectures in National Cultural Heritage Administration Taian Training Center, China History Museum, China Cultural Relics Headquarters, Palace Museum, Shaanxi Cultural Relics Headquarters, Shanxi Provincial Cultural Relics Bureau, Henan Provincial Cultural Relics Bureau, Guangdong Provincial Museum, Peking University Archaeology Department, Nankai University History Department, Central Academy of Fine Arts, China University for Nationalities Graduate School, China Geo University, Singapore Collectors Association, Taiwan Province Ancient Jade Culture Research Association, Hong Kong Jewelry Institute and other cultural and cultural institutions. He has been invited to Japan, Australia, Singapore, Taiwan Province Province, Hongkong and other countries and regions for academic exchanges, lectures, and ancient jade appraisal. He has hosted more than ten large-scale exhibitions such as the Forbidden City and China Ancient Jade Museum.
At present, he is a member of China Museum Society and China Arts and Crafts Association, a standing member of Appraisal Committee of China Cultural Relics Society and China Collectors Association, a standing director of China Gemstone Association, a member of academic committee, a member of Appraisal Committee, a deputy director of Appraisal Committee, the head of Jewelry Appraisal Group of Beijing Oriental Collectors Association, a member of Jewelry College of China Geo University (Wuhan), a member of Singapore Collectors Association, and a consultant of China Guyu Hong Kong Society.
Now he is a research librarian in the Palace Museum and enjoys special government allowance.