Zinc is one of the essential trace elements of the human body and is known as the “flower of life”. The total amount of zinc in the body of a normal adult is 2-3 grams, of which 10-15% is found in the skin. Zinc is closely related to the prevention and treatment of cancer, coronary heart disease, mental illness, hereditary diseases, rheumatic fever and anti-aging. In the field of male medicine, zinc supplementation is beneficial in the treatment of prostatitis and infertility, and can improve sperm vitality and treat weak spermatozoa. 1, oysters contain the most zinc among seafood, and fish have the second highest zinc content. 2, food lean meat (lean pork, lean beef, lean lamb) eggs, animal offal contains high zinc. Animal food generally contains more zinc, about 3-5 mg of zinc per 100 grams of animal food, and the amino acids produced by the decomposition of animal protein can also promote the absorption of zinc. 3.Nuts of plant fruits have higher content, such as walnuts, peanuts, pine nuts, pumpkin seeds, sunflower seeds, etc. 4, the highest content of fruit apples, and bananas. Apple has “educational fruit” and “memory fruit” reputation. It is not only rich in zinc and other trace elements, but also rich in lipids, carbohydrates, a variety of vitamins and other nutrients, especially the high content of fine fiber. Eat l-2 apples a day that can meet the needs of zinc. 5, Chinese medicine in the wolfberry, ripe ground, mulberry, ginseng, eucommia, etc. also contains high levels of zinc. 6, vegetables: eggplant, cabbage beans, mushrooms, onions, cabbage, tofu skin, soybeans, white fungus, radish.