The benign facial "scraping" stimulation can not only improve the microcirculation of facial blood vessels, increase the flow of blood, lymph and body fluids, so that cells in the skin can get sufficient nutrition and oxygen, accelerate cell metabolism, and promote the shedding of senescent cells. It maintains the elastic state of fibers, stimulates the human body's "potential", enables the brain to re-distribute energy throughout the body, detoxifies and nourishes the skin, relieves wrinkles, promotes qi and eliminates spots, and maintains beauty.