Eat foods rich in calcium, iron and zinc, such as milk, bean products, fish, lean meat, animal liver, kidney, egg yolk, dairy products and vegetables. Also eat more aquatic shellfish, such as oysters, meat, scallops and so on. And eat more hard-shell foods, such as chestnuts, walnuts and peanuts. Zinc supplementation with traditional Chinese medicine can also have a good effect. Some traditional Chinese medicines contain high zinc content, and you can also eat some cod liver oil with calcium, iron and zinc oral liquid to promote the absorption of calcium.

First, zinc deficiency can first adjust the diet, cultivate good eating habits, and ensure rich and balanced nutrition. Eat more foods rich in zinc, such as oysters, lean meat, pork liver, fish and eggs. In addition to zinc supplementation, babies with severe zinc deficiency should also be treated with zinc.

Second, calcium deficiency should take drugs containing vitamin B 1 calcium under the guidance of a doctor, and at the same time supplement rich nutrition to children and breastfeed as much as possible. If there is no breast milk, vitamin B 1 should be strengthened in milk and milk powder, and complementary foods rich in vitamin D should be added in time. Insist on getting more sunshine, don't let children sit for a long time and leave early to prevent skeletal deformities.

Third, iron deficiency, the baby needs to adjust the diet, try to use iron pots for cooking at home, tofu, sesame seeds, vegetables, mushrooms, fungus, shrimp skin and kelp all contain a lot of iron. Try to increase lean meat, pig blood, chicken blood, duck blood and other animal protein foods, and take iron supplements orally when the doctor knows.