... diseases, acute diseases. 2.People with heart disease or configured cardiac pacemaker. 3.Patients with severe high blood pressure, tumor ... vein thrombosis, varix, thyroid ,cancer, falling sickness. 4.people with hemorrhagic disease, trauma, vascular rupture, skin inflammation, skin disease. ... menstrual period 7.Medical Plastic parts, or parts with metal inside 8.People with an abnormal immune system