• Associate professor, deputy chief physician, doctoral supervisor at Peking University School of Stomatology
• Main research direction: Digital non-invasive diagnosis and treatment technology. 
• Member of the Laser Specialty Committee of the Chinese Stomatological Association, 
• The initiator of the non-invasive diagnosis and treatment platform of the National Engineering Laboratory of Dental Digital Medical Technology and Materials. 
• Associate editor of Photobiomodulation, Photomedicine, and Laser Surgery, and a reviewer of SCI journals such as The Journal of Biomedical Optics (JBO), Photochemistry and Photobiology, Lasers in Surgery & Medicine, PLoS One.