2. Diarrhea is mainly caused by stress reaction in intestine and inflammation of intestinal mucosa. During diarrhea, you should try to avoid drinking tea, especially green tea, strong tea and dandelion tea. This kind of tea is not only cold, but also stimulates the mucosa of digestive system and aggravates diarrhea, so we should choose tea with the function of benefiting qi and enriching blood to mediate diseases. Brown sugar ginger tea is made of brown sugar ginger. Drinking brown sugar ginger tea can not only warm meridians and dispel cold, but also warm stomach and relieve pain, sweating and relieving exterior syndrome, so it is helpful to improve human immunity and eliminate cold in the body, especially for diarrhea caused by abdominal cold. Jujube tea is not only non-irritating, but also has the effects of tonifying the middle energizer, strengthening the spleen and nourishing the stomach, which can alleviate dehydration caused by diarrhea.