Coffee is a plant drink. In fact, the caffeine contained in coffee can consume our body fat, that is to say, drinking coffee will not make people fat. Caffeine in coffee can promote fat decomposition, release blood fat and convert it into heat. Coffee itself will not make people fat, but it also depends on what you drink. Drinking black coffee alone will not only make people fat, but also lose weight. Coffee in black coffee is also a mild stimulant, which can increase oxygen consumption.