1. Acute disease, high-blood pressure ,abnormal blood pressure, infectious disease , tumor heart disease ,plastic surgery ,pregnant woman ,hemorrhage, hemophilia, fracture, menstruation, handicapped perception and capillary dilatation . 2. People with chronic disease should ask doctor for advice. 3. Children under 12 are not allowed to use it. 4. Stop using is immediately in abnormal feeling. 5. Alcohol abuse or stomach, viscera, bladder disease, kidney stone.