Baby teeth calcification refers to the decalcification of tooth surface, which is a pathological condition, and its persistence may develop into dental caries, which will affect the baby’s digestive function, so you should go to the hospital dentistry department in time to find this condition. If there is a cavity, we should repair the treatment in time, supplement calcium and cod liver oil to help the development of teeth and prevent decalcification. In addition, we should pay attention to oral cleaning and rinse the mouth with warm water after each meal to prevent food residue. Children over two years old should use children’s toothbrushes and toothpaste in a timely manner and develop the habit of brushing their teeth in the morning and evening, which can also prevent tooth calcification. Avoid highly carbonated drinks and high sugar drinks in the diet.