Han Yan graduated from the Medical Department of the First Military Medical University in 1984, received a master's degree in plastic surgery from the First Affiliated Hospital of the Fourth Military Medical University in 1990, and a doctorate in surgery from the First Affiliated Hospital of the Fourth Military Medical University in July 1995. Standing Committee of the Cosmetic and Plastic Surgeons Branch of the Chinese Medical Doctor Association, Standing Committee of the Microsurgery Society of the Chinese Medical Association; "Chinese Journal of Plastic Surgery", "Chinese Journal of Microsurgery", "Chinese Journal of Medical Aesthetics and Cosmetology", "Chinese Journal of Aesthetic Medicine", " Editorial board of "Plastic Reconstruction Magazine" and other magazines; Specializes in: comprehensive facial plastic surgery.