Li Xuesong, male, director of dermatology, No.208 Hospital of China People's Liberation Army, graduated from Harbin Medical University with a master's degree. Engaged in dermatology 16 years. Member of Dermatovenereal Branch of Jilin Medical Association, member of Dermatovenereal Branch of Changchun Medical Association, member of Dermatovenereal Branch of shenyang military area command, member of Dermatovenereal Branch of Chinese Medical Association. He is currently the director of dermatology in 208 hospital and the deputy director of outpatient department, and has published more than 20 articles in various magazines.