1. The causes of Tong Bi(痛痺) are divided into external cause(wind, cold, dampness) and internal cause(deficiency yang-excess yin, excess cold). but mostly two causes are combined. 2. Chronic Tong Bi can be turn into bone, kidney, zang organs disease and Hak Sul Pung(鶴膝風). 3. The symptoms are severe arthralgia, limit of ROM, localized coldness and edema, white coated tonge fur, wiry and knotted pulse. 4. The principles of medicinal treatment are mainly eliminating the cold and inducing the wind, removing the dampness. 5. The principle of acupucture and moxibustion treatment is mainly eliminating the cold(iron skin treatment, moxibustion, warming acupucture).