Male ligation is the process of cutting or blocking the male bilateral vas deferens. Male ligation surgery has certain effects on physiological and anatomical functions, which are usually manifested in the following aspects: 1. male ligation prevents the natural conception process by artificial means, and sperm tend to gather in the proximal end of the vas deferens (testicular side), forming sperm granuloma, which can cause local symptoms such as hard knots, pain and discomfort 2, the sperm antigen component will enter the blood circulation in the body to stimulate antibodies and produce anti-sperm antibodies, which is a bad effect on sperm quality; 3, the local trauma of the surgery may affect the blood supply to the male testes, causing a decrease in the spermatogenic function of the testes, and if there is damage to the testicular artery there can be swelling and discomfort in the testes, and even in severe cases there may be testicular atrophy and loss of function; 4, due to male ligation It may have a psychological impact on men and make them feel unconfident, which may have an impact on their sexual function and even sexual dysfunction.