Drinking coffee in moderation will accelerate metabolism, promote digestion, improve constipation and improve rough skin. Coffee will accelerate the burning of calories and achieve the effect of losing weight. This theory is basically correct, but burning calories won't make you lose much weight. If sugar and creamer are added to coffee, the calculation of calories is even more inconsistent with the principle of losing weight. It is unscientific to drink too much coffee. The above is the principle of discovery, but if you want to drink black coffee in the morning to lose weight, you have to drink it on an empty stomach. Drinking on an empty stomach in the morning hurts your stomach! In addition, if you want to lose weight, according to the weight loss situation and effect of people I know around you, exercise is better, and you can lose weight by combining diet. Exercise is very important!