The effects of male ligation surgery on human body are mainly manifested in the following aspects: 1. hematoma, mainly caused by incomplete hemostasis during surgery. 2. infection, scrotal abscess, spermatorrhea, epididymitis, prostatitis, seminal vesicle adenitis, etc. occur after surgery. 3. painful nodules, small local nodules after vasectomy, usually without any symptoms, individual patients still have local pain after more than 1 month, which is obviously aggravated by touch. 4. 4.Epididymal stasis, after vasectomy, the sperm secretion produced by the testes can generally be decomposed and absorbed in the epididymis, and no clinical symptoms appear, but some patients may have enlarged epididymis, dilated lumen, and symptoms of scrotal swelling and pain. 5.Sexual dysfunction, vasectomy itself does not affect sexual dysfunction, but is mostly caused by mental factors. caused by the patient’s own lack of knowledge of anatomy and physiology.