Bian Shi comb, also known as Bian Shi comb, is a kind of health care appliance made of Spencer pumice (Spencer Bian Shi), which has a good massage effect on the scalp. When combing the hair, the comb will be stimulated by the biological field of the human body, which will stimulate the unique thermal effect function of the stone, constantly stimulate and adjust the human head, and at the same time stimulate the meridians and acupoints of the head through the ultra-penetrating ultrasound generated by friction with the skin of the head, thus achieving the functions and effects of disease prevention, treatment, conditioning and rehabilitation.