Tea fermentation (Fermentation) is a process that occurs continuously, starting from the muscular massage, tea and tea. Before reaching the step to stop the enzyme polyphenol oxidase reaction by heating (firing or steaming) polyphenol oxidase enzyme in this process will make the oxidation Catalysis and polymerization reaction oxidized polyphenols occur as complex compounds between the larger molecules, which are polyphenols, making tea, delicate flavor and color varies according to the chemical composition that is in the tea, and as manufacturing methods.