People with bad stomach and intestines are not recommended to drink, because alcohol can produce violent stimulation of the gastrointestinal tract, damage the gastric mucosa, and aggravate the gastrointestinal lesions. For those who suffer from gastritis, gastroduodenal ulcer and other diseases, it is not recommended to drink, because the stimulating effect of alcohol on the gastrointestinal mucosa can not only cause gastric mucosal congestion and edema, erosion, but also exacerbate the original ulcerative lesions, resulting in bleeding, perforation and so on. So with gastrointestinal diseases, especially in the acute stage, generally need to prohibit the consumption of alcohol. In addition, long-term alcohol consumption can also produce damage to the liver, pancreas, easy to lead to alcoholic liver, hepatitis, cirrhosis and alcoholic pancreatitis and other diseases. Alcohol can also stimulate the nerve center, triggering muscle incoordination, slow reaction and memory loss, so you need to avoid the bad habit of long-term alcohol abuse. People who have a bad stomach also need to pay attention to regular diet, can be a small number of meals, avoid overeating. Eat more light, easy to digest food, avoid greasy, spicy stimulating food and too hard food, reduce the intake of sweets, but also need to pay attention to dietary hygiene. When gastrointestinal symptoms are more obvious, timely medical attention is needed.