A child’s constant spitting up may be caused by an immature stomach, or it may be triggered by incorrect feeding methods, indigestion and other factors. 1. The immature development of the stomach, due to the child’s stomach is not fully developed, the stomach is horizontal, the child may have been spitting milk symptoms. 2. incorrect feeding methods, if the usual feeding position is not correct or feeding too fast, too much food, may not be digested and absorbed, the child has been spitting up symptoms. 3. Indigestion, if the child has indigestion, food accumulation in the intestine, this symptom may occur. Children have been spitting up, there may be other reasons, such as intestinal obstruction, gastroesophageal reflux or pyloric hypertrophy, etc., it is recommended to go to the hospital in a timely manner, improve the examination to determine the cause of the disease, and then under the guidance of the doctor to give targeted treatment or treatment.