In general, drinking alcohol can cause chronic gastritis, acute erosive hemorrhagic gastritis, etc., which can appear abdominal pain, abdominal distension, nausea, vomiting and even vomiting blood and other symptoms. 1. Chronic gastritis: refers to the chronic inflammation of the gastric mucosa caused by alcohol stimulation, can be manifested as dyspeptic symptoms, such as vague pain in the epigastric region, loss of appetite, postprandial satiety, acid reflux, nausea, etc., severe atrophic gastritis patients may also have anemia, emaciation, inflammation of the tongue, diarrhea and other symptoms. 2. Acute erosive hemorrhagic gastritis: refers to the phenomenon of multiple erosions of the gastric mucosa caused by alcohol stimulation, also known as acute gastric mucosal lesions. It can be manifested as hidden or severe pain in the upper abdomen, accompanied by nausea, vomiting, burning sensation in the stomach, acid reflux, diarrhea and other symptoms, and in severe cases, there can be vomiting blood, black stools and other upper gastrointestinal bleeding.