The theaflavin is extracted from Active ingredients of tea. It’s a chemical compound of phenols, therefore it has obvious efficacy of medical treatment. The details as following: 1.Adjust blood lipid extraordinarily: on the one hand, it can reduce high blood lipid, blood serum cholesterol, triglyceride and content of low- density lipoprotein cholesterol, on the other hand, it can enhance high-density lipoprotein cholesterol. 2.Function against atheroma hardening. 3.Function of Anti-coagulant. Reduce blood consistency. 4. Function of lipid peroxide 5. Function of protection of injured animal heart myocyte. 6.Function of protection of injured animal brain 7.Improve microcirculation. 8.Anti-bacteria and reducing inflammation. Function of restraining botulinus, enteritis bacillus, golden staphy lococcus. Under the 1mg/ml concentration, the whooping cough can be killed completely in 24 hours. 9.Intense anti-oxidant. It can clean free radical and restrain virus of AIDS. Lost on Drying % ≤ 6 . 0 Ash ≤ 2 . 0 Solvent Residue % ≤ 0.1 Heavy Metal ppm ≤ 10 Arsenic ppm ≤ 2 Caffeine % ≤ 4.0 ≤ 8.0 Sieve Analysis pass mesh 80 Total Bacteria ≤ 1000 Mold &. Yeast CFU ≤ 100 E . coli Negative Salmonelia Negative