As a branch of Pu 'er tea, black oolong tea is mild and not easy to hurt yang. It is said that black oolong tea has the effects of reducing fat and weight, resolving food stagnation, clearing away heat and toxic materials, inducing diuresis to relieve stranguria, relieving stress and calming the nerves. Especially the oil-cut black oolong tea, because of adding some effective herbal ingredients, its effect is more obvious.

1. Weight loss: The theaflavins rich in black oolong tea have low thermal stability and are easy to decompose. At the same time, they can stimulate the decomposition of fatty acids in the body, promote fat catabolism, and achieve the effect of losing weight.

2. Digestion and accumulation: Polyphenols contained in black oolong tea can significantly enhance the gastrointestinal function of human body, accelerate the digestion of food, promote gastrointestinal peristalsis, and help smooth defecation.

3. Clearing away heat and toxic materials: Black oolong tea is rich in caffeic acid, theanine and other ingredients, which has the effects of clearing away heat and toxic materials and improving immunity, and can effectively prevent diseases such as colds and hepatitis.

4. Diuretic stranguria: Caffeine and other ingredients in black oolong tea can play a diuretic role, which helps to eliminate excess water and waste in the body and maintain good health.

5. Decompression and tranquilization: Black oolong tea has a good maintenance effect on cardiovascular system and nervous system because it contains tea polyphenols and other substances, which helps to relieve stress, maintain a happy mood and improve sleep quality.