1. Couples who intend to conceive in the near future should eat more than usual. And the structure is reasonable, meat and vegetables, coarse and fine, hunger and satiety moderate, appropriate kidney supplement (fungus, sesame, walnuts, turtle, light vegetables, sea cucumber, bird’s nest, etc.). 2, intake of sufficient protein: especially for men, sperm in arginine must be taken from food, you can choose peanuts, walnuts, sesame, tofu, frozen tofu, sea cucumber, cuttlefish, octopus, etc.. The female side can pay special attention to foods such as bean curd, soybeans, peanuts and eggs. 3, moderate amount of fat. 4, inorganic salts and trace elements: special attention should be paid to iron, zinc and copper. The foods with the highest iron content are mossy vegetables and Jinzhong red mushrooms, others such as animal blood, liver, chicken gizzards, beef kidney, beef, mutton, clams, oysters, soybeans, black fungus, sesame paste, tomatoes, celery, rape, mandarin oranges, prunes, apricots, red dates, sea buckthorn, etc., with fruits containing high vitamin C will increase the absorption of iron, but tea and spinach will reduce the absorption of iron. If the paranoia is serious, it is recommended to take the goodness of the tablets. 5, enough vitamins. Men who really can not quit smoking eat more pineapple and other foods rich in vitamin C. 6, do not use the cup just cleaned with detergent drinking water, drinking water without pollution. 7, quit smoking, quit drinking and quit cola. 8, avoid contact with harmful substances, careful taking drugs.