Weng Mai is good at male plastic surgery. Director Yuan Yiming is a proud disciple of Academician Guo Yinglu, a master of andrology in China, and a leading figure in microsurgery of andrology in Peking University. He is good at a wide range, specializing in micro vasectomy, micro vasectomy and epididymal anastomosis, micro spermatic vein ligation and various routine male operations. He is good at treating various male problems such as distal vas deferens obstruction, severe oligospermia and repeated hemospermia with seminal vesicle mirror.