Tea in medicine has been used for thousands of years of history, generations of medical doctors on the tea treatment discourse, there are a lot of unique features. The Divine Husbandman’s Classic of the Materia Medica” records: tea flavor bitter, drink it to make people think, less lying, light and bright eyes. Li Shizhen said: tea bitter and cold, the most able to lower the fire, fire down, then on the clear carry on. Generations of medical doctors believe that tea has a diarrhea, fire, detoxification, heat, digestion and other effects. Folk proverb says: a cup of tea in the morning, starve to death of medicine sellers, all of which indicate that tea has detoxification, treatment, life-saving features. Tea flavor sweet, bitter, astringent, non-toxic, green tea is cool, black tea is warm, into the heart, spleen, kidney, large intestine meridian. It has the functions of quenching thirst and generating fluids, eliminating food and water, waking up the eyes and clearing the brain, stimulating and refreshing the mind, removing dampness and clearing heat, good at getting rid of grease and oil, relieving alcohol and removing vexation, assisting in digestion, getting rid of heat, eliminating fat and losing weight, and relieving toxins and stopping diarrhea. The main treatment of dry mouth, hot thirst, urinary incontinence, food accumulation does not go away, overeating greasy, hot poison red and white diarrhea, sleepy, drinking too much, chest tightness and irritability, obesity, high blood pressure and other diseases. Drinking tea on an empty stomach should not be too strong. Green tea is cool in nature, suitable for drinking in summer; black tea is warm in nature, suitable for drinking in winter.