Macromolecule Electronic Band-Aid utlizes modern electronic and optics spectrum technology, adopts macromolecule material, could emit the spectrum of given wavelength. It has the pain-easing and inflammation-diminishing effects on the would of inflammation skin, besides speeds up the cicatrisation of the wound and avoids infection and further inflammation. Compared with tradional band-aid, it has possessed many advatages, and is the necessary article for house and travel.