Chief Physician, Associate Professor, Master's Supervisor; Academic Leader of Dermatology and Venereology, Sanya Central Hospital Expert introduced under Hainan Province’s “Good Doctor” and “101 Team” initiatives. Dr. Cai holds several roles, including the review editor for the China Journal of Leprosy and Skin Diseases, special needs outpatient expert, visiting scholar at the University of Pennsylvania Hospital, Peking University First Hospital, and the Institute of Dermatology, Chinese Academy of Medical Sciences. Dr. Cai participated in and led multiple national, provincial, and municipal research projects; published over 20 papers in provincial and national professional journals, including 6 SCI-indexed papers, and served as deputy editor and editorial board member for several academic works, including Treatment of Skin Disease; awarded the Third Prize of Scientific and Technology Progress of Guangdong Province.