Black tea can reduce fat a little, but the effect is not as good as green tea. Especially Pu 'er tea in green tea. \x0d\ Green tea and black tea are one of the six major teas, and their processing techniques are different. Green tea has not been fermented, so it retains the quality characteristics of clear soup green leaves, that is, dry tea is green, tea soup is light green and leaves are bright green. Black tea is a completely fermented tea with dark appearance, bright orange-yellow to red tea soup and brownish red leaves. The taste is thick and fresh. The famous ones are Zhengshan in Fujian (the originator of black tea), Qimen black tea, Dianhong in Yunnan and Yingde black tea in Guangdong.