Li Hang, male, deputy chief physician, doctor of medicine, deputy chief physician of dermatology. Professional expertise: cosmetic surgery such as diagnosis and treatment of skin tumors, dermatology, hair transplantation, etc. It is the first in China to systematically carry out Mohs microlithography surgery, which greatly improves the cure rate of skin malignant tumors; Published his own improved small incision operation for underarm odor abroad, which was recognized by peers in the industry; He has rich experience in scar correction and hair transplantation. Academic part-time: Vice Chairman of Dermatology Branch of Chinese Medical Doctor Association, Chairman of Dermatology Branch of Chinese Medical Doctor Association, Deputy Head of Dermatology Group of Dermatology Branch of China Association of Integrated Traditional Chinese and Western Medicine, and National Member of Plastic and Aesthetic Physicians Association of Chinese Medical Doctor Association. Excellent young and middle-aged doctor award in dermatology of Chinese Medical Association, Beijing youth post expert.