Beauty Device is a smart personal care tool that miniaturizes and adapts the techniques used in professional beauty salons for home use. Common technologies include LED light therapy, microcurrent lifting and firming, radiofrequency stimulation for collagen regeneration, ultrasonic deep cleansing, and a multi-pole composite design. This allows users to enjoy an efficient, convenient, and personalized at-home beauty experience at a fraction of the cost of professional treatments. With continued use, it can improve skin texture, reduce fine lines, and enhance facial contours, achieving scientifically precise "home-based medical beauty." The Beauty Device is suitable for daily skincare applications including facial cleansing, essence application, lifting and firming, eye care, and body care.