Five-month-old babies spitting up like a fountain may be a physiological phenomenon due to improper feeding, and no special treatment is needed. It may also be due to congenital hypertrophic pyloric stenosis, pediatric intracranial hemorrhage and other conditions, the patient needs to comply with the medical advice of drug treatment, general measures and surgical treatment. 1. Physiological phenomenon: Usually parents do not feed properly, often lead to five-month-old babies spit up like a fountain. In this case, parents appropriate pat the baby’s back, and reasonable feeding can be, usually do not need special treatment. 2. Congenital hypertrophic pyloric stenosis: patients who are not suitable for surgery, need to actively improve the diet, reduce the amount of milk, try to use a thicker lotion for feeding, and also need to intravenous infusion of nutrient solution, and timely correction of electrolyte stability and dehydration. If the patient can be operated, need to follow the doctor’s advice to choose to carry out laparoscopic pyloromyotomy. 3. Pediatric intracranial hemorrhage: for conscious patients, the head needs to be elevated appropriately, if the patient is in a coma, it is also necessary to take the prone position or lateral position. It is also necessary to use vitamin K1 and other hemostatic drugs under the guidance of the doctor, but also can use phenytoin sodium and other antitussive drugs and spironolactone and other diuretics treatment. If the patient’s condition is serious, it is also necessary to promptly choose to carry out external ventricular drainage and so on. It is recommended that in the case of a five-month-old baby spitting up like a fountain, parents should first exclude physiological phenomena, and if it is caused by a disease, it is necessary to consult a doctor for treatment in a timely manner. The above drugs should be used in accordance with medical advice.