Green tea is made from the new leaves or buds of tea trees, without fermentation, through the processes of enzyme fixation, shaping and drying. , and retains the natural substances of fresh leaves, including tea polyphenols, catechins, chlorophyll, caffeine, amino acids, vitamins and other nutrients. The color is green, and the tea soup retains the green style of new tea, hence the name. There are two ways to brew green tea: one is pouring, which is suitable for famous green tea with high grade and compact appearance, that is, hot water of 75-85 degrees Celsius is poured into a cup first. The second method is drop method, in which tea leaves are put first, and then hot water of about 85 degrees is poured directly, which is suitable for ordinary green tea.