Drinking at noon and vomiting at night may be due to alcohol damage to the gastric mucosa, acute gastritis, gastroesophageal reflux disease and other reasons. 1. Alcohol damage to the gastric mucosa: If you drink more alcohol at noon, more than the liver’s ability to metabolize alcohol processing range, it will stimulate the gastric mucosa, damage the surface mucus layer of the stomach, and may even damage the gastric mucosal epithelium, causing the formation of ulcers, and so on, and thus the phenomenon of drinking at noon and vomiting at night will occur. 2. Acute gastritis: caused by diet, cold and other reasons, drinking alcohol can aggravate the symptoms, so the phenomenon of vomiting at night. 3. Gastroesophageal Reflux Disease (GERD): If the patient himself suffers from GERD, drinking alcohol is not conducive to the recovery of the disease, and vomiting is a common symptom, which may occur at night. There may be other reasons for drinking at noon and vomiting at night, so you can go to the hospital for relevant examinations to clarify the situation.