1, can make the brain excited, make the body feel relaxed and happy, can produce happy emotions, can make people concentrate and think quickly;

2, can make the heart beat faster, raise blood pressure, promote blood circulation and increase myocardial contraction;

3, has a certain diuretic effect, can promote metabolism, promote the digestive system, and has a certain curative effect on constipation;

4, can improve the body's consumption of fat, can play the role of slimming.

The disadvantages of coffee are also obvious, specifically the following disadvantages:

1, coffee contains too much caffeine, which can cause anxiety and anxiety;

2, drinking too much coffee will affect appetite and even cause stomach cramps and gastritis;

Coffee can make people feel excited and can't sleep all night.