In recent years, with the hot rise of medical aesthetics, the demand of consumers in facial anti-aging has been on the rise. With the advancement of product technology, cosmetic instrument derived from medical beauty institutions have gradually developed towards home use, and household cosmetic instrument have gradually become the choice of more consumers due to their relatively low price, convenience and simple operation. At present, the main technical lines of our national beauty instrument industry include RF radio, intense pulsed light, micro-current and visible light LED, which are mainly used in anti-aging, tightening and lifting, whitening, cleaning and hair removal. This paper mainly reviews the principle of photoelectric technology and its application in household cosmetic instrument.