Zhang Chen, Dean of Dalian Ailige Medical College, MD, PhD, postgraduate tutor, candidate of "100 million talents project" in Liaoning Province. Engaged in plastic surgery for 30 years, published nearly 30 academic papers, of which 5 were collected by the Library of Congress, and more than 0 monographs were compiled/kloc-0. He is also a member of the Standing Committee of the Branch of Cosmetic and Plastic Surgery of Chinese Medical Association, a member of the Professional Committee of Prosthetic and Reconstructive Surgery of Chinese Medical Association, a vice-chairman of the Professional Committee of Plastic Surgery of Liaoning Branch of Chinese Medical Association, a peer reviewer of Chinese Medical Journal, the editorial board of Chinese Journal of Cosmetic and Plastic Surgery, the editorial board of Chinese Journal of Prosthetic and Reconstructive Surgery, and the editorial board of Chinese Journal of Medical Beauty and Beauty. At the same time, Comrade Zhang Chen is the director of Zhangjiakou Health Bureau 1.