1. The calorie of black coffee is very low. Every 100g of black coffee contains only about 2 calories, and the calories in the body can be consumed quickly after drinking coffee.

2. Black coffee contains a lot of caffeine, caffeine and other ingredients, which can promote the body's metabolism and accelerate the body's fat metabolism after drinking, which is very good for weight loss.

3. Black coffee can play a diuretic role after drinking, which can accelerate the excretion of metabolites and water dampness in the body, which is very beneficial to weight loss, especially for obese people with water dampness.