1. Cupping acts on the skin through negative pressure, causing local capillary rupture, and red blood cells oozing out to cause subcutaneous congestion, so that moisture in the body is discharged from pores.

2. It has the functions of eliminating cold and dampness, relaxing meridians and dredging collaterals, promoting qi circulation and blood circulation, relieving swelling and pain, removing toxin and purging heat, thus relieving muscle pain, eliminating fatigue, dredging meridians and qi and blood, mobilizing the function of cell repair and absorption of necrotic cells, promoting blood circulation, regulating metabolism, and achieving the purpose of improving human immunity.

Cupping can be used not only for health care, but also for treating diseases, which has a certain effect on relieving pain.