Drinking hot water chest pain may be the water temperature is too high, scalding esophageal mucosa caused, may also be reflux esophagitis, gastric ulcer and other diseases. 1. High water temperature: If the patient drinks too much hot water water temperature is too high, and the human esophageal mucosa is relatively weak, too high water temperature into the esophagus, will lead to the esophageal mucosa is hot water scald, which leads to the patient to drink hot water chest pain phenomenon. 2. Reflux esophagitis: The etiology of reflux esophagitis is still unclear, and it is considered to be caused by a variety of factors, such as the decrease of anti-reflux ability and the decrease of esophageal clearance ability. The main symptoms of patients are reflux, heartburn, chest pain, epigastric pain, belching (hiccups) and so on, which will lead to chest pain when patients drink hot water. 3. Gastric ulcer: gastric ulcer is mainly caused by Helicobacter pylori infection, and patients will experience stomach pain, loss of appetite, belching (hiccups) and other symptoms. Some patients with gastric ulcers experience acid reflux, which can also lead to chest pain when drinking hot water. Patients who experience chest pain when drinking hot water should seek medical attention and follow the doctor’s instructions.