Drinking alcohol with a bad stomach can lead to stomach pain, impaired stomach function, and even induce gastric perforation. Bad stomach is mainly due to the damage of the protective barrier of the gastric mucosa, the most common diseases are gastritis, gastric erosion, gastric ulcer, these people in the drink, alcohol will dissolve the mucous membrane of the gastric mucous membrane secreted mucous membrane, directly on the gastric mucous membrane caused by the invasion, which will lead to the degree of the disease is more serious, a part of the patient will also be due to the stimulation of the alcohol caused by the spasm and contraction of the stomach, resulting in severe pain. Some people’s stomach is not good, is to gastric peristaltic dysfunction as a manifestation, in the drinking of gastric peristaltic dysfunction phenomenon will be more serious, and even part of the people will appear gastrointestinal retrograde peristalsis, and nausea, vomiting. When patients with gastric ulcers drink alcohol, alcohol will cause irritation to the ulcer surface, and in severe cases, even cause gastric perforation, and nausea, vomiting, vomiting blood, fever and other symptoms.