Supplementary light instrument is through the infrared way, purify the blood, but also to increase the immunity of the individual, can quickly put the body inside the useless things out of the body, will accelerate the speed of blood circulation, the body has a cold and cold, caused by discomfort also has a certain role, is a very good health care role of a way. But pay attention to the way to use, do health care at the same time, adults each time is about half an hour to an hour, children use each time can not be higher than half an hour, want to improve the disease state, need to use longer, adults can not be less than two hours a day, children can not be less than one and a half hours a day. In the use, you can irradiate in the uncomfortable position of the body, can not be used directly on the eyes, want to use, you must wear an eye mask to be able to pay attention to heat dissipation, to avoid being burned.