Diarrhea can drink pu-erh tea, black tea, osmanthus tea and buckwheat tea, as follows: first, pu-erh tea mellow, viscous, to form a protective layer on the surface of the gastric mucosa, to protect the gastrointestinal mucosa to promote the repair of the mucosa, but also to promote the movement of the stomach and intestines, long-term consumption can play a role in regulating the function of the stomach and intestines. Second, black tea, Chinese medicine believes that black tea is warm, with the function of nourishing the stomach, when drinking can add ginger and brown sugar, black tea baked by fermentation, will not hurt the stomach, but can nourish the stomach, with anti-inflammatory, protective effect of the gastric mucosa. Third, cinnamon tea, Chinese medicine that cinnamon tea taste pungent, on the mild side, with warming and dispersing cold, blood circulation, especially for patients with a cold spleen and stomach, can relieve abdominal pain, diarrhea symptoms. Fourth, buckwheat tea, has the effect of inhibiting stomach acid, so as to improve the function of the stomach and intestines.