of research has also confirmed that tea polyphenols compounds not only can lower blood cholesterol, but also significantly improved high-density lipoprotein in the blood and the ratio of low-density lipoprotein. Caffeine can diastolic blood vessels, speed up the breathing and blood lipid lowering, the prevention and treatment of coronary heart disease, hypertension, atherosclerosis and other cardiovascular and cerebrovascular diseases have a certain role.

According to the Fujian Medical University Coronary Heart Disease Study Group in 1974 in Fujian Anxi Chaxiang the 1080 survey found that farmers do not drink Tieguanyin tea incidence rate of 3.1% for the occasional drink 2.3%; perennial drinking (3 years above) at 1.4%. Evidently, Changhe Tieguanyin people do not drink Tieguanyin than the low incidence of coronary heart disease.

　　 4, Tieguanyin the