Litchi black tea is mainly produced in Fujian and Guangdong provinces. It is a special herbal tea made by adding litchi fruit flavor to the tea raw material of Kung Fu black tea. It not only has the health care effect of black tea, but also has the health care effect of herbal tea, and has various health care effects.

1. Excitement: Caffeine in litchi black tea can excite the central nervous system, help people cheer up, improve thinking, eliminate fatigue and improve work efficiency.

2, diuretic effect: caffeine and theophylline in litchi black tea have diuretic effect, used to treat edema and water stagnation. Acute icteric hepatitis can be treated by detoxification and diuresis with black tea syrup.

3. Cardiotonic and antispasmodic effects: A small amount of caffeine contained in litchi black tea has cardiotonic and antispasmodic effects, can relieve bronchospasm and promote blood circulation, and is a good auxiliary drug for treating bronchial asthma, relieving cough and resolving phlegm, and myocardial infarction.

4. Inhibition of arteriosclerosis: Tea polyphenols and vitamin C in litchi black tea have the effects of promoting blood circulation and removing blood stasis to prevent arteriosclerosis. Therefore, among people who often drink tea, the incidence of hypertension and coronary heart disease is low.

5. Antibacterial and bacteriostatic effects: Tea polyphenols and tannic acid in litchi black tea act on bacteria, which can solidify the protein of bacteria and kill them. Can be used for treating intestinal diseases such as cholera, typhoid fever, dysentery and enteritis. The skin is swollen and painful, festering and purulent, and the skin is broken by trauma. Washing the affected area with strong tea has anti-inflammatory and bactericidal effects. Oral inflammation, ulceration, sore throat, treated with tea, also has a certain effect.

6. Weight-reducing effect: Caffeine, inositol, folic acid, pantothenic acid and aromatic substances in litchi black tea can regulate fat metabolism, especially oolong tea has a good decomposition effect on protein and fat. Tea polyphenols and vitamin C can lower cholesterol and blood lipids, so drinking tea can reduce weight.

7. Anti-caries effect: Litchi black tea contains fluorine, which has great affinity with calcium in teeth, and can become a kind of "fluorapatite" which is difficult to dissolve in acid, just like adding a protective layer to teeth, which improves the anti-acid and anti-caries ability of teeth.

8. Inhibitory effect on cancer cells: It is reported that flavonoids in litchi black tea have different degrees of anti-cancer effects in vitro, among which vitexin, morin and catechin have stronger effects.