First, avoid tobacco and alcohol (smoke in benzene press nicotine has the role of chromosomal aberrations, alcohol can directly damage the testicles); Second, avoid spicy food (induced reproductive system infections and inflammation); Third, less celery, garlic, bitter melon, cottonseed oil (with spermicidal effect), and less leeks purchased (pesticide water leeks, pesticide residues); Shandong University Qilu Hospital Infertility Diagnostic and Treatment Center Meng Fanwei Fourth, eat more fresh Vegetables (rich in vitamins), seafood (rich in carnitine); v. Eat more fruits rich in vitamin C (examples tomatoes, grapes, oranges, etc.); vi. Drink tea often (rich in vitamins, antioxidants); vii. Avoid high temperatures (hot baths, saunas, cooks, boilermakers, bakers); viii. Avoid rays (computers, cell phones, X-rays); ix. Avoid poisonous contaminations (pesticides such as dibromo chloropropyl, paints, chemical workshops, plastic manufacturing, storage batteries, soldering); x. Avoid drugs harmful to fertility: 1, chemotherapy drugs, 2, certain antihypertensive drugs, 3, excessive hormones, 4, immune drugs, 5, antacids, 6, antiepileptic drugs, 7, certain antibiotics (neomycin, erythromycin, gentamicin, urea, metronidazole, furacillin, lixivi-sulfanilamide floridin); xi. Avoid sedentary activities. Avoid underwear too tight (resulting in poor local ventilation and scrotal heating, damage to the testicles); xii, avoid exertion, avoid immunity decline; xiii, maintain a calm and good state of mind; xiv, come for follow-up after the end of each course of treatment.