Old class Zhang Pu 'er tea has the effect of promoting digestion, removing oil and scraping oil, especially those who often go out to socialize, often eat greasy food, you can drink a cup of thick Pu 'er tea after each meal has the effect of removing oil, which can effectively prevent weight gain, and long-term drinking can also play a role in losing weight. And Pu 'er tea can promote excretion, help the body increase metabolism, play the role of excreting toxins.