"Tai Chi","Ba Duan Jin",and"Yi Jin Jing"are traditional Chinese exercises which are used for adjuvant treatment of various diseases.The article outlines the application of three exercises in knee osteoarthritis(KOA).Long-term adherence to traditional exercises("Tai Chi",a traditional Chinese exercise therapies;"Ba Duan Jin",one of the main forms of"Qigong";"Yi Jin Jing",a Chinese ancient exercises)can improve muscle control over bones,improve patients’balance and proprioception,reduce the inflammatory reaction of KOA,protect articular cartilage,and significantly improve the pain,stiffness and mobility of patients with KOA.