People who have poor stomach and intestines can drink black tea in moderation. Black tea is a kind of fully fermented and semi-fermented tea, warm properties, often drink black tea can nourish the stomach, in addition to black tea in the tea polyphenols can promote digestion. Usually drink black tea will not damage the gastric mucosa, but also can play the effect of stomach, but we should pay attention to the following points: first, the right amount, not too much. Second, not too thick, too thick tea on the gastrointestinal tract stimulation is relatively large. Third, avoid taking on an empty stomach and immediately after meals, try to drink tea between half an hour and an hour after meals. In short, when there is an acute or chronic gastrointestinal disease, try to eat warm, soft, clear, easy to digest food, avoid cold, hard, spicy, greasy food, ban smoking, alcohol, chocolate, and high fat, high sugar, high salt and other foods, eat less and more meals to promote the recovery of the disease.