The after-effects of ligation in men are that the amount of semen ejaculated is relatively low, and the ejaculatory activity of the patient will be affected to a certain extent, and it may also lead to inflammation of the vas deferens, narrowing of the vas deferens, etc. The main purpose of ligation in men is to prevent pregnancy, so that the sperm in the body cannot be eliminated from the body. The main purpose of male ligation surgery is for contraception, once the ligation surgery is done, the vas deferens will be blocked, so the sperm in the body will not be able to be eliminated from the body. Therefore, after the male ligation surgery, it has a better contraceptive effect. However, it is difficult to reopen the vas deferens.