PRECAUTIONS FOR USE: 1. Patients with symptoms of high fever and bleeding, and those with wounds that have not healed after surgery. 2. Menstrual women, infants, epilepsy and psychiatric patients. 3. Patients with electronic devices such as cardiac pacemakers, stents and cochlear implants, or metal objects such as steel plates and bone and joint stents implanted in the body. 4. Serious heart disease, arrhythmia, myocardial infarction, cerebral infarction patients,patients with cerebral haemorrhage and stroke, less than half a year of recovery of patients, the use of instrument conditioning is easy to produce recurrence risk. 5. Pregnant women, lactation within 1 year, people with severe cardiopulmonary insufficiency, diabetes stage II patients. 6. Physical weakness, heart and kidney failure and low blood sugar are easy to produce palpitation, fatigue. 7. Severe blood pressure patients (systolic blood pressure 2160 or diastolic blood pressure 2110) is strictly prohibited. 8. Not recommended for minors.