Green tea is one of the main teas in China. Green tea is made from the new leaves or buds of the tea tree, without fermentation, by killing, shaping, drying and other processes, and retains the natural substances of the fresh leaves, including tea polyphenols, catechins, chlorophyll, caffeine, amino acids, vitamins and other nutrients. Green color and tea soup more preserve the green style of fresh tea, hence the name. Often drink green tea can prevent cancer, reduce fat and weight loss, smokers can also reduce their nicotine damage.