Repeated vomiting in children who vomit even when they drink water needs to be clarified first, and the treatment method should be chosen according to the cause of the disease. Commonly, it may be related to acute gastritis, acute pancreatitis, meningitis and so on. It is recommended to go to the hospital in time to clarify the cause of the disease. 1. Acute gastritis: there are often epigastric pain, bloating, nausea, vomiting and loss of appetite, which can lead to repeated vomiting. Need timely intravenous rehydration to correct water and electrolyte disorders. Omeprazole, famotidine, bismuth potassium citrate and other drugs can be used for treatment. 2. Acute pancreatitis: Early stage is usually persistent pain in the upper abdomen, and later abdominal distension, nausea and vomiting can occur. Children with pancreatitis should be fasted to reduce the secretion of pancreatic fluid. Cimetidine, octreotide, atropine, ranitidine and other drugs can be used to treat the disease. 3. Meningitis: Increased intracranial pressure can lead to vomiting and severe headache. Dehydrating agents can be used to reduce intracranial pressure and maintain nutritional, water and electrolyte balance. Acyclovir, ceftriaxone, isoniazid and other drugs can be used according to the cause of the disease. The child repeatedly vomiting drinking water vomiting need to first clarify the cause, it is recommended to timely visit the hospital to clarify the cause of the disease. If you need to use drugs, you need to use under the guidance of a doctor.