Cupping Therapy Cupping therapy is an ancient healing method that may ease back pain, neck pain, headaches and other issues. It uses suction to pull on your skin and increase blood flow to the affected area. Cupping causes bruising and can lead to skin infection. There’s mixed evidence on the benefits of cupping, but the treatment risks are generally low. Cupping therapy is a popular therapy which works on the principles and basics of bloodletting, mainly the wet cupping method. All methods of cupping therapy are not involved in bloodletting. Explore the ancient healing method of cupping therapy. Learn about its types, benefits, and potential risks. Cupping therapy involves placing cups on the body to create suction. Side effects can include nausea and headaches. Learn about the benefits and risks.