The precautions of Sandimeng health care bed are: Sandimeng health care bed hygiene will not harm the body. Generally speaking, Sandi Energy Health Bed has no side effects. It uses the principle of far infrared rays to conduct heat to the body, and the effect is very good. Its function is to promote metabolism, beauty beauty, expel toxins from the body, improve sub-health, enhance immunity and relieve spinal diseases. But for special people, such as people with a history of heart disease, it should be used with caution to avoid harm to the body. Secondly, you can't adjust the temperature too high, or you will burn yourself. Please refer to the instruction manual for specific precautions.