Metabolism is affected by age, gender and environment, and fast metabolism often has many manifestations. First of all, when the body metabolism is fast, people tend to feel hungry very easily, frequent toilet, this is because the metabolism is fast, gastrointestinal peristalsis increases, the body’s food is quickly digested. Second, metabolism fast pulse heart rate will be relatively faster, will also lead to easy sweating, which is a common manifestation of metabolism fast. Finally, there is a fast metabolism, skin renewal is also fast, the dead skin increases, molting obvious. If the metabolism is fast, in addition to the physical symptoms, there will also be mental manifestations, the patient will easily appear irritable, do not like quiet, easily excited and easily angry, etc. In serious cases, there will also be protruding eyes, sleep significantly reduced, dreamy and other symptoms. The metabolism determines how fast the body consumes calories, and if the metabolism is fast, the calories will be consumed relatively fast. Fast metabolism may be physiological or pathological, and if it is pathological, it should be treated promptly.