... increase body temperature ,improve the metabolism reduce fat, get rid of wrinkles and fine lines, and reduce oil secretion, acne, pimple , ... to use this equipment. 5. People with serious illnesses of stomach, intestine, liver and urinary bladder stone, kidney stone etc ... using is immediately in abnormal feeling. 5.Alcohol abuse or stomach, viscera, bladder disease, kidney stone. Safety caution: Thank ...