Varicocele is the number one killer of male infertility announced by the World Health Organization, and fertility is a major problem for men, and the testicles are an important part of the male body, so microsurgery for varicocele is a complex and challenging surgery in male surgery that takes a long time. It requires the surgeon’s excellent surgical skills and patience and meticulous operation, and varicocele is the most important disease causing male infertility that needs surgical correction. Surgical treatment should not be ignored. The current surgical methods of varicocele at home and abroad: I. Open surgery: 1, high ligation of spermatic veins. 2.Trans-inguinal spermatic vein ligation. 2.Laparoscopic spermatic vein ligation. Microscopic spermatic vein ligation: 1.Trans-inguinal microscopic spermatic vein ligation. 2.Microscopic spermatic vein ligation under the external ring. Comparison of the prognosis of various procedures for varicocele: 1. pregnancy rate: the highest with subcircular microscopic spermatic ligation; 2. recurrence rate: the lowest with subcircular microscopic spermatic ligation; 3. incidence of testicular sphingomyelia: the lowest with inguinal microscopic spermatic ligation.