Need. Fat-burning coffee is a coffee product that can promote metabolism and fat burning. Although caffeine and other ingredients in coffee have a certain effect on metabolism, it is not enough to achieve significant weight loss by drinking fat-burning coffee alone. Losing weight is a comprehensive process, which needs to be achieved by adjusting various factors such as diet, exercise and living habits. Dieting is one of the strategies, that is, controlling food intake, so that the calories consumed in the body are less than the calories consumed, so as to achieve the purpose of losing weight.