A man’s low spermatozoa, i.e. oligospermia, is mostly related to endocrine diseases, varicocele and other diseases, which need to be treated according to the cause with appropriate medications and surgeries, as well as paying attention to adjusting the living habits and avoiding the influence of undesirable factors. 1. Endocrine diseases: if the male gonadal hypogonadism, pituitary insufficiency, can affect the abnormal secretion of prolactin, gonadotropin and so on, thus changing the quality of sperm. You can follow the doctor’s instructions for drug treatment, commonly used drugs are leaf saponins, pancreatic kininogenase and other drugs to improve microcirculation, clomiphene, tamoxifen and other anti-estrogen drugs. 2. Varicose veins: If oligospermia is caused by varicose veins, it can also be treated with spermatic vein ligation and laparoscopic spermatic vein embolization. In addition, there are many other diseases that can cause a man’s sperm to be low, and he should seek medical treatment in a timely manner. Patients should also pay attention to rest and actively exercise.