Cupping is a tool for using cans to generate negative pressure by means of burning, pumping, etc., so that it is adsorbed on the body surface, causing local blood stasis, so as to achieve the passage of vitality, qi and blood circulation, swelling and pain relief, hurricane and cold, etc. Therapy of action. Cupping therapy has a long history in China. As early as in the book of the Western Han Dynasty, the book “Fifty-two Diseases” has a record of “corn method”. The horn method is similar to the cupping therapy of later generations.