Considering that the instrument can accelerate blood circulation during use, the following individuals are prohibited from using or precautions should be taken! ！

·       People with symptoms of high fever, bleeding, and tendency to bleed, and less than six months after surgery

·       Menstrual women may have increased blood flow

·       Individuals who implant electronic devices such as cardiac pacemakers, stents, and cochlear implants, as well as metal objects such as steel plates and bone joint stents.

 
Pregnant women

·       people with severe cardiopulmonary dysfunction

·       Patients with myocardial infarction, cerebral infarction, cerebral haemorrhage

·       Patients who have had a stroke, who have not recovered for more than six months.

·       Patients with severe diabetes should seek medical advice

·       People with weak physique

·       Patients with serious diseases should seek medical advice

·       Individuals with severe abnormal blood pressure

·       Patients who have the inability to feel heat or sensation

·       Children are prohibited from using

·       Elderly should be assisted at all times