Zheng Yan    Professor, chief physician

The Second Affiliated Hospital of Xi'an Medical University

        The Second Affiliated Hospital of Xi'an Medical University, chief physician, master's and doctoral supervisor. He is also a member of the psoriasis group of the Dermatology Society of the Chinese Medical Association and a member of the psoriasis group of the Dermatology Society of the integration of Chinese and Western medicine. The basic theory of this discipline is solid, and we can understand the domestic and foreign medical trends and advanced diagnosis and treatment technology. The average number of outpatients per year is more than 10000, and 1000 to 1500 cases of difficult skin pathology are reported every year. Since taking office, there has been no medical accident and error, and has been praised by doctors and patients. The main research directions are psoriasis, skin tumor and skin pathology. He has been engaged in the research on the pathogenesis and treatment mechanism of epidermal dysplasia for a long time, and has made a series of achievements. In this paper, the pathogenesis of abnormal epidermal proliferative skin diseases, such as psoriasis, has been studied in depth, which improves the overall understanding of these skin diseases and provides a theoretical basis for their treatment. In recent years, he has presided over five general projects of National Natural Science Foundation of China, one new century excellent talent support plan of Ministry of education, one overall planning chain of key science and technology fund of Shaanxi Province and one cross project of Xi'an Jiaotong University. He is a backbone member of the innovation team of the Ministry of education, and won the first batch of "youth top talent support plan" of Xi'an Jiaotong University and "outstanding youth cultivation" of Xi'an Jiaotong University. A total of 83 academic papers have been published in domestic and international academic journals and international academic conferences, of which more than 30 SCI papers have been cited. The highest citation times of a single SCI paper have been 78, which has been cited by authoritative journals in the world. One paper has been selected as the highly cited paper of ESI.