Male, 48 years old. Member of the Peasants and Workers Democratic Party of China, Doctor of Medicine of Peking University, chief physician of Peking University People's Hospital, master's supervisor, vice chairman of the Youth Committee of the Male Science Branch of the Chinese Medical Association, and Sperm Bank Group of the Reproductive Medicine Branch of the Chinese Medical Association

, member of the Sexual Medicine Branch of China Sexology Society, member of the Andrology Branch of China Medical Doctor Association, member of the Beijing City Reproductive Medicine Branch, expert on human assisted reproductive technology review of the Ministry of Health, and expert on medical service price evaluation of the Ministry of Health, member ofthe Editorial Board of the Chinese Journal of Andrology

Editorial member of the Journal of Reproductive Medicine and special reviewer of the ChineseJournal of Clinical Medicine.

Research direction:

Human assisted reproductive technology and male infertility, prostate disease, male sexual dysfunction, penile indorsement, and male reproductive system infections. Participated and presided over 6 scientific research projects of the National Natural Science Foundation of China and provincial and ministerial levels; published more than 30 papers; participated in the compilation of professional works

9parts.

Vice Chairman of the Youth Committee of the Andrology Branch of the Chinese Medical Association, member of the Sperm Bank Group of the Reproductive Medicine Branch of the Chinese Medical Association, member of the Sexual Medicine Branch of the China Sexology Society, member of the Andrology Branch of the China Medical Doctor Association, member of the Reproductive Medicine Branch of the Beijing City, and Human Assistants of the Ministry of Health

Reproductive technologyreview expert, medical service price evaluation expert of the Ministry of Health, communication editorial board member of the Chinese Journal of Andrology, editorial board member of the Journal of Reproductive Medicine, special reviewer of the Chinese Journal of Clinical Medicine.
Participated and presided over 6 scientific research projects of the National Natural Science Foundation of China and provincial and ministerial levels; published more than 30 papers; and participated in the compilation of 9 professional works.
Diseases are good at

specializes in human assisted reproductive technology, male infertility, testicular and epididymis microscopic sperm harvesting, epididymi-vas deferens anastomosis, prostate diseases, and male sexual dysfunction.
specializes in human assisted reproductive technology, male infertility, testicular and epididymis microscopic sperm harvesting, epididymi-vas deferens anastomosis, prostate diseases, and male sexual dysfunction.
Social activities

1. Participated in and presided over 6 scientific research projects of the National Natural Science Foundation of China and provincial and ministerial levels.
1. Participated in and presided over 6 scientific research projects of the National Natural Science Foundation of China and provincial and ministerial levels.
2. Several research topics won the third prize for scientific and technological progress in Yunnan Province in 1993, 1995 and 1997 respectively.
2. Several research topics won the third prize for scientific and technological progress in Yunnan Province in 1993, 1995 and 1997 respectively.
3. Published more than 30 papers; participated in the compilation of 9 professional works.
3. Published more than 30 papers; participated in the compilation of 9 professional works.