1. To prevent dental caries and clear bad breath, green tea contains fluorine, in which catechin can inhibit the action of cariogenic bacteria and reduce the occurrence of dental plaque and periodontitis. Tannic acid contained in tea has bactericidal effect and can prevent food scraps from breeding bacteria, so it can effectively prevent bad breath.

2. Slimming and reducing fat. Green tea contains theophylline and caffeine, which can activate protein kinase and triglyceride lipolytic enzyme through many functions and reduce the accumulation of fat cells, thus achieving the effect of losing weight.

3. Whitening and UV protection. Experts found in animal experiments that catechins in green tea can resist skin cancer caused by UV-B..

4. Cancer prevention. Green tea can inhibit some cancers, but its principle is limited to the inference stage. Drinking more tea is bound to have a positive encouraging effect on preventing the occurrence of cancer.

5. It can improve dyspepsia. Recent research reports show that green tea can help improve dyspepsia, such as acute diarrhea caused by bacteria. Drinking a little green tea can alleviate the disease.