Make a circular smooth motion on the skin surface with the fingers or palms of both hands. The technique is moderate, not urgent, slow, light and heavy. Moxibustion has the functions of warming meridians, dredging collaterals, dispersing stagnation and removing blood stasis, which can make the necrotic cells of facial epidermis fall off, improve the functions of sweat glands and sebaceous glands, accelerate the flow of lymph and blood, and stimulate peripheral nerves in a benign way.