Human obesity, mainly subcutaneous and liver and other parts of the accumulation of excess fat substances. Tea contains caffeine, yellow alcohol, vitamins and other compounds, can promote fat oxidation, remove excess fat in the human body. Therefore, more tea is helpful to lose weight. According to practical experience, drink Oolong Tea and Pu er tea, brick tea, Tuocha tea etc., more conducive to reducing fat. According to some foreign medical research data show: Yunnan Pu er tea and tea has a slimming body-building function and prevent cardiovascular disease search. Clinical trials show that often drink tea, the aged 40~50 years old, with significant weight loss effect on people of other ages also have varying degrees of effectiveness; more than 70% of cases significantly decreased the content of triglyceride in human body. Oolong tea has a significant role in the decomposition of fat, often drink can help digestion, diuretic, help to lose weight. Since the autumn of 1979, some countries from time to time set off Oolong Tea hot drink, especially young women and obese middle-aged women, high evaluation of Oolong Tea, "slim tea", "beauty and health medicine" reputation. Northwest China's ethnic minorities have three days without food, not a day without tea argument. Their staple food cattle and sheep meat and milk enzyme fatty foods without getting fat, one of the reasons, often associated with drinking tea night. As for many slimming tea appears on the market, mostly with tea as raw material, with cassia seed, hawthorn and other herbs, packaged into tea, drinking more convenient. But its efficacy varies from person to person, each has a certain degree of adaptability. The fundamental way to lose weight is to strengthen physical exercise, otherwise, the effect of weight loss tea is also difficult to consolidate.