National color mountain river tea is green tea. National color camellia is a high-grade green tea, Longjing Maojian tea, which belongs to typical green tea, so national color camellia is green tea. Green tea is one of the main teas in China. 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.