If the infant is vomiting acid due to gastritis, treat the gastritis promptly, you can use drugs to protect the gastric mucosa, such as oral gastropin tablets; gastrointestinal motility drugs such as domperidone suspension, you can also use drugs to help digestion, such as hen’s nest tablets, multi-enzyme tablets, etc., to improve the symptoms of infant vomiting acid have very good effect. If you are breastfeeding, don’t let your baby eat too much milk at one time, otherwise it is likely to cause the stomach to accumulate food and increase the acidity. If you have already added complementary foods pay attention to the temperature of the complementary foods and make sure that the added complementary foods are easy to digest and absorb so that it will help the function of the spleen and stomach, and also pay attention to choosing foods that are thin, soft and rotten, which are conducive to rapid recovery of nutrition and increase the function of the spleen and stomach.