Can cupping therapy harm the body?

Generally, cupping does not cause serious harm to the body. Cupping is a commonly used external therapy in traditional Chinese medicine (TCM) that utilizes negative pressure to treat external pathogenic factors such as wind and cold on the body surface. Although cupping may leave marks on the skin, affecting appearance, it does not damage the body. However, improper techniques or performing cupping under contraindicated conditions may negatively affect health. Specific details are analyzed as follows:

Cupping is a characteristic external treatment in TCM, known for promoting blood circulation, unblocking meridians, reducing swelling, and relieving pain. While cupping can benefit health, it is not suitable for everyone. The procedure requires skilled technique; improper operation may result in burns. If leaving the cups on the skin for too long—especially with the "retained cupping" method—blisters or blood blisters may form, which should be treated promptly to prevent infection. Additionally, individuals with heart disease, blood disorders, skin injuries, tuberculosis, cancer, or fractures should avoid cupping.

Cupping is a specialized TCM practice and should only be performed by trained professionals after proper diagnosis by a physician, to avoid complications such as skin damage or infection due to incorrect application. After cupping, it's important to rest adequately, drink sufficient water, and avoid bathing immediately. Symptoms such as bleeding, redness, or mild bruising following cupping are generally normal and require no special treatment—they typically resolve on their own within a few days.