Camellia japonica has no toxic side effects, and its taste is flat. It contains more than 400 kinds of nutrients such as tea polysaccharide, total saponins, total flavonoids, vitamin B 1, B2, vitamin C, amino acids, etc. Drinking Camellia japonica regularly has many functions such as lowering blood pressure, lowering blood lipid, improving blood circulation, lowering cholesterol, protecting liver cells and preventing diabetes. Known as "the giant panda in the plant kingdom" and "the queen of the tea family".