Abdominal pain with vomiting may be caused by gastric ulcer, cholecystitis, pancreatitis and other diseases. 1. Gastric ulcer: Gastric ulcer may be caused by Helicobacter pylori infection, or may be induced by smoking, drinking alcohol, drinking strong tea and other factors. Patients may experience stomach discomfort, abdominal pain, vomiting, nausea and other symptoms. 2. Cholecystitis: Cholecystitis is mainly caused by bile duct obstruction, bile stasis and secondary infection. Patients may have sudden right upper abdominal pain, which may radiate to the back of the right shoulder. It occurs after eating a lot of fat, or at night, and can be accompanied by nausea, vomiting and other symptoms. 3. Pancreatitis: Causes of pancreatitis include cholelithiasis, biliary tract infection, alcohol, pancreatic duct obstruction, duodenitis, trauma, and drugs. Patients may experience acute abdominal pain, sudden pain in the middle and left upper abdomen or the whole abdomen, which may vary from mild to severe and radiates to the lower back. Some patients may be accompanied by vomiting and nausea. There are many causes of abdominal pain with vomiting, and patients are advised to identify the cause of the disease in time.