Knee arthritis is classified as paralysis in Chinese medicine, if it is wind-cold-dampness paralysis (wind, cold, dampness three kinds of evil qi invade the human body leading to paralysis of the limbs) can be used to Fangfeng Tang and so on, wind-dampness-heat paralysis (often manifested as burning, pain, redness and swelling of the joints and muscles, etc) with White Tiger plus Gui Zhi Tang with Xuan Pai Tong plus or minus, and so on. If it is wind-cold-dampness paralysis, it can be treated with Fangfeng Tang plus or minus, Wu Tou Tang plus or minus, Coix Seed Tang plus or minus, depending on the condition of the patient. If the patient is wind-damp heat paralysis, can use Bai Hu plus Gui Zhi Tang and Xuan Piao Tang plus or minus, the drugs include gypsum, forsythia, Gui Zhi, Fenghui, Zhimu, cypress, talc, almonds, Coix Seed, red beans, silkworm sand and so on. If the patient is paralyzed by phlegm and blood stasis, Shuanghe Tang can be used to add subtractions. If the patient has deficiency of liver and kidney (weak function of liver and kidney), the patient can use Duhuo Sheng Tang with additional reduction. The existence of paralysis should be under the guidance of a doctor to identify the evidence and use of drugs, not self-medication, so as not to aggravate the condition.