Black tea belongs to post-fermented tea, and Pu 'er tea is the most familiar one, in which the total amount of tea polyphenols is high, which has a good effect of reducing fat and losing weight. According to reports, Beenaert of Henri Lundo Hospital in Paris? Professor Giacoto gave 20 patients with excessive blood fat three bowls of Yunnan Pu 'er tea a day. After one month, he found that the blood fat of the patients almost decreased 1/4. Japan's "Health" magazine introduced that Pu 'er tea can inhibit weight gain and reduce cholesterol and triglycerides in the blood.

2. Green tea protects the cardiovascular system.

Green tea belongs to non-fermented tea, represented by West Lake Longjing, Dongting Biluochun and Huangshan Mao Feng. Its main function is to prevent cancer and cardiovascular diseases, but also to resist oxidation, improve immunity, inhibit and kill bacteria.

3. White tea relieves anxiety.

"White tea is classified according to different methods, including two kinds." Han Chi said that one is Anji white tea, which is familiar to people. It is actually a kind of green tea. Because it tastes more mellow than green tea, it has become very popular in recent years. Jiang Heyuan said that the main functions of white tea are to protect the brain, enhance memory and reduce anxiety. In addition, theanine in white tea can neutralize the effect of caffeine. "People who are afraid that drinking tea will affect their sleep can drink some white tea." There is also a kind of white tea produced in Fuding, Fujian. "This kind of tea has less output and heavier taste than ordinary green tea. According to the current research, this kind of tea has good effects on regulating immunity and lowering blood sugar," Han Chi said.

4. Green tea and black tea lower cholesterol.

Green tea belongs to semi-fermented tea, and its representative varieties are Wuyi Rock Tea (Dahongpao), Tieguanyin, Frozen Top Oolong Tea, Fenghuang Danzong, etc. Black tea belongs to fully fermented tea, and the representative varieties are Qihong in Anhui and Dianhong in Yunnan. Black tea in India and Sri Lanka is also a world-famous brand. "Black tea is less irritating than green tea because of fermentation, and its efficacy is different, which can promote blood circulation and lower cholesterol.