1, avoid eating spicy food, less celery, garlic (with strong spermicidal effect). It is not advisable to take kidney and aphrodisiac drugs. 2, quit smoking, quit drinking (cigarette benzopyrene anthracene nicotine has a chromosomal mutagenic effect, alcohol can directly damage the testicles). 3, eat more fruits rich in vitamin C (such as tomatoes, grapes, oranges), adhere to the daily two apples. 4, often drink tea water (rich in vitamins and antioxidants), eat more fresh vegetables (rich in vitamins). 5. Avoid hot environments (such as baths, saunas, cooks, boilermakers, bakers). 6. Have a regular sex life, preferably once every 4-5 days, there is no need for deliberate abstinence. 7, avoid excessive exposure to radiation (such as welding, X-ray photos, computers, radio communications, radio, microwave). 8, avoid excessive exposure to toxic substances (such as pesticides, paints, chemicals, plastic manufacturing, batteries, tin soldering). 9, avoid the application of fertility-damaging drugs (such as chemotherapy drugs, excessive hormones, antibiotics such as gentamicin, furacilin, etc.). 10. Avoid sitting too long, avoid tight underwear (resulting in poor local ventilation and high scrotal temperature), avoid overwork. 11, Do not hearsay, recklessly seek medical advice, should go to the regular hospital to find a specialist for regular treatment. 12, maintain a calm and good psychological state, have full confidence in themselves.