Pu'er tea has more than 20 effects , such as warming stomach, reducing fat, lowering blood lipid, preventing arteriosclerosis, preventing coronary heart disease, lowering blood pressure, anti-aging, anti-cancer, lowering blood sugar, bacteriostasis and anti-inflammation, reducing smoke poison, reducing heavy metal toxicity, anti-radiation, preventing caries, improving eyesight, aiding digestion, detoxification, preventing constipation, and sobering up, etc.