Cupping is a therapy in which a jar (glass, plastic, or bamboo) is attached to the skin’s surface. Cupping has the function of warming and promoting free flow of Qi and blood in the meridians, dispelling cold dampness and diminishing swellings and pains. It is mainly used to treat pain of the lower back, shoulders, and legs, gastrointestinal disorders such as stomachache, vomiting, diarrhea, asthma and respiratory infections.