In addition to containing amino acids, trace elements, protein, pectin and other rich nutrients. It also contains tea polyphenols, alkaloids, brass and other multi-functional components, which not only has the effect of quenching thirst, but also has a variety of health functions such as cancer prevention and anti-aging. Although tea polyphenols have the functions of preventing cancer and delaying aging, if the content is too high in tea drinks, it will be complexed with proteins and other proteins for a period of time, so removing part of tea polyphenols can avoid or delay the precipitation or turbidity of tea drinks, and thus improve the quality of tea drinks. China is a big tea producing country, and vigorously developing the tea beverage industry is of great significance to the development of our national economy. Storage period is a key technical problem to be solved in the development of tea beverage. It…