Zinc and manganese have a wide range of ingredients in food, so as long as they are in the diet, they can meet the needs with a little attention. Foods with zinc content of 1000 mg/kg are: herring and oyster; Foods with a content of 20 mg/kg ~ 50 mg/kg include: almond, walnut kernel, peanut kernel, sunflower seed, animal liver, beef, eggs and soybeans; Foods with a content of 5 mg/kg ~ 20 mg/kg include: rice, red beans, whole wheat bread, mung beans, edamame, Chinese cabbage, spinach, amaranth, leek, shepherd's purse, radish, carrot, green garlic, arrowhead mushroom, sardine, crucian carp, shrimp, pig kidney, pork, chicken, duck and goose. The food with the content of 5 mg/kg includes: apple, banana, orange, watermelon, tomato, cauliflower, cucumber, lettuce, eggplant, cabbage, kidney bean, cowpea, oyster mushroom, flour, sugar and milk. Foods with high manganese content include: Oenanthe javanica, cauliflower, leek, nuts, cereals, tea, spices, coffee, condiments, and standard powder. Foods with high manganese content include: spinach, shepherd's purse, amaranth, Artemisia scoparia, onion, eggplant, water bamboo, green garlic, mushrooms, standard powder, and meat.