Vitamin E, also known as tocopherol, is an antioxidant that can promote male sperm vitality and has the effect of improving male fertility, as well as treating menopausal syndrome and having certain cosmetic benefits. Patients can take vitamin E for about 3 weeks to take effect. Vitamin E is a fat-soluble vitamin, suitable for taking after meals, which can better increase the absorption of the drug, during the period of taking the drug patients should eat a reasonable diet, quit smoking, quit drinking and pay attention to rest. Vitamin E contained in the general diet can fully meet the daily needs of the human body, so the elderly and the weak and sickly people, long-term use of vitamin E is not only unnecessary, but also unsafe and can produce side effects. Long-term use of large doses of vitamin E can cause a variety of diseases, the more serious of which are thrombophlebitis or pulmonary embolism. Therefore, it is recommended to take vitamin E as prescribed by your doctor.