Etiology Due to the absence of spermatic vein valves, humans suffer from standing and walking and gravitational force, which obstructs the venous return and causes varicose veins. Similar to the varicose veins in the legs. Clinical manifestations Mildly asymptomatic, as the disease worsens, gradually appearing when standing, walking, running, scrotal swelling, sagging, pain, bedside improvement, the left side is common, but there are also bilateral onset. Ancillary examinations Ultrasound may reveal thickened spermatic veins with a diameter greater than 2mm. Treatment The greatest danger of this disease is infertility! If the disease is severe and worm-like material is visible to the naked eye, that is degree 3, or painful, or the semen quality is significantly reduced, it is necessary to perform high level ligation of the spermatic vein, and the earlier the surgery is done, the better the result. The best treatment method is to do it under the microscope, the best protection of the artery, the bilateral onset can choose to do it under the laparoscope, but also open to perform high ligation Oh.