Zhang Yan, deputy director of Dermatology, chief physician, Professor, doctor, postdoctoral, master's supervisor, national youth member of Dermatology and Venereology branch of Chinese Medical Association, national youth member of allergy society of Chinese Medical Association, eczema group member of Dermatology Research Professional Committee of Chinese Traditional Medicine Association, and dermatology branch of Hebei Province of China Medical and Health International Exchange Promotion Association Vice chairman of the association, member of the Standing Committee of cancer internal medicine branch of Hebei Women Doctors Association, peer review expert of National Natural Science Foundation, has won Teaching Award for many times. He has been engaged in dermatology and venereal diseases for 20 years. He is good at diagnosis and treatment of psoriasis, atopic dermatitis, vitiligo, urticaria, eczema, tinea manus and pedis, venereal diseases and other skin diseases, as well as beauty related diseases such as pigment abnormality. He won one third prize of Hebei Science and Technology Progress Award and two first prizes of Hebei Medical Science and technology award. He has published more than 40 academic papers, including 22 SCI papers and 12 SCI papers by the first author. He has presided over 1 National Natural Science Foundation project, 8 provincial and ministerial scientific research projects, and 7 provincial and ministerial scientific research projects.