Calcium and iron deficiency in babies can be treated with medication and food supplementation. Calcium deficiency can be treated with oral calcium gluconate solution, calcium carbonate granules or Longmu Bone Granules, and calcium-containing foods such as bone broth, shrimp, eggs and milk. Be sure to give vitamin D supplements in life, which can facilitate the absorption of calcium. If your baby is iron deficient, you can give oral ferrous sulfate solution, and you need to take vitamin C together orally for treatment, which is good for iron absorption. In daily life, you can also pay attention to the iron-containing food supplement, such as animal meat, liver, green vegetables, etc. are relatively high iron-containing food, and at the same time with oral intake of fruits rich in vitamin C, which is conducive to the absorption of iron.