Tea Polyphenols are the gold in the tea,the generic term of phenols and derivatives. Extracts from natural green tea leaf are the main and beneficial ingredients for human body, with about 25% of the dry green tea leaf’s weight. Tea polyphenols are mainly composed of catechins, flavonoids, anthocyanins and phenolic acid. Tea polyphenols are a best natural antioxidant, especially the EGCG, the reducibility is more than 100 times than L- ISO ascorbic acid. Tea polyphenol, beside antioxidant properties, also can be anti-aging, preventing and treating cardiovascular diseases，slimming, enhancing immunity and preventing cancer, preventing and treating radiation damage, diminishing inflammation, sterilization and suppressing the virus, beauty, protecting the teeth and eyes and anti-allergy.