Abdominal pain with vomiting is considered to be related to dyspepsia, acute gastroenteritis, gastric ulcer, etc. Patients can follow the doctor’s instructions for rehydration and other general treatment, taking omeprazole, mosapride, montelukast, etc. Treatment. 1. Dyspepsia: some patients may suffer from abdominal pain with vomiting due to dyspepsia. Dyspepsia can be treated with omeprazole, ranitidine and other drugs to inhibit gastric acid, domperidone, mosapride and other drugs to promote gastrointestinal dynamics, bifidobacteria, lactobacillus and other microecological agents. Most of the patients will have their symptoms relieved when their condition is under control. 2. Acute gastroenteritis: the disease causes abdominal pain can be prescribed with atropine, scopolamine and other antispasmodic drugs to relieve, but also with bifidobacteria, lactobacilli and other micro-ecological preparations, and montelukast treatment. Vomiting should also pay attention to supplemental hydration, intravenous fluids if necessary, to avoid dehydration shock. 3. Gastric ulcer: patients with gastric ulcer should be treated with acid inhibitors such as omeprazole and rabeprazole, and gastric mucosa-protecting drugs such as aluminum hydroxide and sodium bicarbonate as prescribed by the doctor. If it is caused by Helicobacter pylori infection, it can follow the doctor’s advice to use the quadruple program, that is, omeprazole + clarithromycin + amoxicillin + bismuth potassium citrate and so on. Some of the vomiting can be improved with metoclopramide as prescribed. There are many causes of abdominal pain with vomiting, such as duodenal ulcer, chronic gastritis, cholecystitis, appendicitis and so on. It is recommended that the patient consult a doctor for examination and treatment after clarifying the cause of the disease, and not to use drugs indiscriminately.