The direct consequence of male sterilization surgery is to block the way of sperm discharge from the body, thus achieving the purpose of birth control. The adverse consequences of male sterilization surgery are: 1, the formation of painful nodules at the severed end of the vasectomy, mostly caused by infection.2, the sperm produced by the testes are mostly decomposed and absorbed in the epididymis, if the sperm cannot be completely absorbed, then semen retention cysts will be formed, and for the larger cysts, surgical resection of the diseased epididymis will be required.3, sexual dysfunction, in general, the male sterilization surgery will not affect the sexual function, and it is mostly caused by psychological factors.