1. Eliminate fatigue and activate the brain.

2. Preventing cancer: reducing the risk of colorectal cancer and rectal cancer.

3. Remove the bad breath in the mouth: it can eliminate the garlic smell.

4. Promote blood circulation: (for people with healthy hearts) can improve heart function and make blood vessels expand moderately.

5. Rapid catharsis: Its catharsis effect is only effective when drinking in the morning, and it is ineffective when drinking at other times.

6. Treatment of migraine: To treat migraine, it is best to drink it as a precursor.

7. Suppress asthma: By stimulating sympathetic nerve, asthma caused by parasympathetic nerve excitation can be suppressed.

8. Lowering cholesterol: Caffeine can stimulate gallbladder contraction and reduce cholesterol that is easy to form gallstones in the gallbladder.