Cupping is a therapy in which a jar is attached to the skin surface to cause local congestion through the negative pressure created by introducing heat in the form of an ignited material.
The cupping method has the function of warming and promoting the free flow of wi and blood in the meridians, dispelling cold dampness, diminishing swellings and pains. In clinics, the cupping method is mainly used to treat bi syndrome caused by wind dampness, such as pain of the low back, shoulders, and leg, gastrointestinal disorders such as stomachache, vomiting, and diarrhea, and the lung disease such as cough and asthma.