What Is Gua Sha? A Complete Guide to TCM Scraping
Published 2026-05-31 · 312 words · Acupressure
Gua Sha, also known as scraping therapy, is a traditional Chinese medicine (TCM) technique that involves scraping the skin with a smooth-edged tool to stimulate blood flow, release stagnation, and promote healing. Rooted in the principles of meridians and collaterals, Gua Sha is widely used for treating common ailments such as colds, headaches, and muscle pain.
According to TCM theory, the body's qi (vital energy) flows through twelve main meridians and eight extraordinary vessels. When qi and blood become stagnant due to external pathogens or internal imbalances, symptoms like pain, fever, or fatigue arise. Gua Sha follows the principle of treating the acute condition first by applying strong stimulation to specific points or areas, causing local skin redness and petechiae (sha). This process helps to revive consciousness, expel toxins, clear heat, relieve pain, and regulate the spleen and stomach.
Gua Sha can be performed on many parts of the body, including:
For back scraping, lie face down; for shoulders, sit upright. After scraping, dark purple or red spots may appear, indicating the release of blood stasis.
The traditional Gua Sha tool is a rectangular scraper made from water buffalo horn, with rounded edges to avoid injuring the skin. Modern tools may also be made from jade, ceramic, or stainless steel, but the horn scraper remains the classic choice for its smoothness and energy properties.
Gua Sha is effective for a wide range of conditions, including:
To perform Gua Sha:
References
1. Huangdi Neijing (Yellow Emperor's Inner Classic), Suwen and Lingshu chapters on meridians and qi-blood circulation.
2. Shanghan Lun (Treatise on Cold Damage Disorders) by Zhang Zhongjing – principles of treating external pathogens.
3. Bencao Gangmu (Compendium of Materia Medica) by Li Shizhen – description of water buffalo horn as a scraping tool.
4. Modern TCM textbooks: 'Chinese Acupuncture and Moxibustion' and 'Gua Sha: A Traditional Technique for Modern Practice'.