There is no absoluteness in the statement of what tea is good for the stomach and intestines, and there is also individual variability. Under normal circumstances, you can drink black tea, barley tea, buckwheat tea and so on. 1. Black tea: black tea is a fully fermented tea, rich in vitamin A, calcium, leucine, glutamic acid and other trace elements, soft flavor. 100g of black tea contains 650IU of vitamin A, the content is relatively high. In daily life, appropriate drinking can replenish water, intake of appropriate nutrition, and black tea in the tea polyphenol substances can promote the secretion of saliva, but also can be antioxidant. 2. Barley tea: barley tea is raw barley after baking, the product obtained, with a special flavor. Barley tea also contains a certain amount of vegetable protein, unsaturated fatty acids. 3. Buckwheat tea: buckwheat is commonly known as buckwheat, generally grown at high altitudes, containing a large number of brassinolide, niacin and other active substances. Appropriate consumption of buckwheat tea is beneficial to health. Any tea does not have therapeutic Chinese medicine, and can not rely solely on what tea to treat certain diseases, do not drink a lot.