Cupping has the effect of opening and releasing the couper (pores), dispelling wind and dispersing cold, energizing the meridians and channels, and promoting the flow of qi and blood, which is conducive to the prevention and treatment of diseases. Cupping refers to the use of cans as tools, through heating, suction and other methods, so that the formation of negative pressure inside the cans, resulting in the cans adsorbed in the acupoints or certain parts of the body surface. The efficacy of cupping is to open the coupling, dispel wind and cold, activate the meridians and collaterals, promote blood circulation, eliminate blood stasis and generate new, etc., which is conducive to the discharge of pathological products from the body, and dredge the meridians and qi and blood, adjusting the function of internal organs, in order to prevent and control diseases. It should be noted that patients with pacemakers and other metal objects, electromagnetic cupping apparatus should be disabled. In addition, the cupping technique should be skillful, and the action should be as light, fast, steady and accurate as possible. Therefore, it is recommended to ask a professional doctor to perform cupping operations, to avoid blind cupping on their own.