1, the excitatory effects: tea caffeine excited the central nervous system, help people to boost morale, enhance thinking, eliminate fatigue, improve work efficiency.2, a diuretic effect: caffeine and theophylline in tea has a diuretic effect, for the treatment of edema, water stagnation tumor. Detoxification tea syrup, the diuretic effects of the treatment of acute jaundice hepatitis.3, cardiac spasm: caffeine has a strong heart and spasm, the efficacy of the relaxation of smooth muscle to relieve bronchospasm, promote blood circulation, is a good supplementary drug treatment of bronchial asthma, cough and phlegm, myocardial infarction.4, inhibition of atherosclerosis effect: the role of tea polyphenols and vitamin C have blood circulation to prevent atherosclerosis. Of regular tea, the lower the incidence of hypertension and coronary heart disease., Antibacterial, antimicrobial effects: tea polyphenols and tannic acid effect in bacteria, solidified the bacterial protein, will kill the bacteria. For the treatment of gastro-intestinal diseases such as cholera, typhoid, dysentery, enteritis, etc.. Skin sores, ulcers pus, trauma broken skin, wash affected area with tea, anti-inflammatory sterilization. Oral inflammation, ulcers, sore throat, with tea to treat, but also have a certain effect.6, the weight loss: tea, caffeine, inositol, folic acid, pantothenic acid and aromatic substances and other compounds that can regulate fat metabolism, especially oolong tea have a good protein and fat catabolism. Polyphenols and vitamin C can reduce cholesterol and blood lipids, so the tea to lose weight.7, anti-caries effects: Tea contains fluoride, fluoride and teeth of calcium has a great affinity, can become a more difficult to dissolve in acid and fluorapatite, as to the teeth with a protective layer improve the ability of the teeth, anti-acid anti-caries.8, inhibition of cancer effect: It is reported that the flavonoids in tea have varying degrees of anti-cancer effects in vitro, the role of a strong the the Vitex alkali, morin and catechin.