Varicocele ligation may lead to erectile dysfunction, male infertility, scrotal emphysema and other hazards. 1. Erectile dysfunction: after varicocele high ligation, a certain percentage of patients often have decreased libido, painful intercourse, erectile dysfunction and so on, resulting in sexual disharmony. 2. Male infertility: if the patient has relative pelvic atrophy before varicocele high ligation, it is very likely for the patient to develop male sperm abnormality, such as postoperative sperm abnormality, low sperm, weak sperm vitality and so on. 3. Scrotal emphysema: During surgery, carbon dioxide can enter the scrotum through the inguinal wound, resulting in air accumulation in the scrotum. Generally speaking, this condition can be improved according to the postoperative extrusion of the molded scrotal exhaust. Venous spermatic ligation has certain risks, when patients do venous spermatic ligation, it is recommended to choose a regular hospital for the operation.