One year old baby teeth a little corrosion, pay attention to the baby’s diet and oral hygiene, if necessary, need to go to the stomatology department for treatment. More than one year old baby teeth erosion is mostly caused by drinking milk before going to bed or at night, or due to the daily complementary food contains more sugar, breast milk, milk powder or complementary food in the sugar residue in the baby’s mouth, bacterial growth, corrosion of teeth. In order to prevent the erosion of food on the teeth, pay attention to the baby at night before going to bed to avoid eating some sweets, such as cakes, bread, cookies, sugar, etc. If you drink milk before going to bed, rinse the mouth with a small amount of warm boiled water after drinking or drink some more warm water, so that you can avoid milk powder corrosion of teeth. Baby teeth corrosion, should go to the hospital stomatology department for examination, for minor corrosion, can be adjusted through the diet, strengthen the oral cleaning, pay attention to observation and follow-up. For more serious tooth erosion phenomenon should be given filling treatment. Therefore, in order to prevent baby teeth damage, must avoid eating too much sweet food, and develop a good habit of brushing teeth and rinsing mouth before going to bed at night.