Drinking deeply hydrolyzed milk powder gastric reflux is commonly known as pediatric vomiting, can be divided into physiological and pathological, pathological causes of digestive system diseases and infectious diseases. 1. physiological: deeply hydrolyzed milk powder taste poor, too frequent breastfeeding, or breastfeeding a large amount, as well as the temperature and concentration of the milk powder is not appropriate and other reasons can lead to children spit up, this is a normal physiological phenomenon, no additional special treatment. 2. Pathological: If you suffer from digestive diseases, this symptom may occur, such as gastroesophageal reflux, pyloric spasm, intestinal obstruction, intussusception and colitis, etc., which will cause this symptom because of the inability to absorb the milk powder; and infectious diseases such as pneumonia and meningitis may also cause this symptom. If the symptoms are suspected to be pathologic, prompt medical attention is recommended.