Abstract: The elderly are the main suffer population of degenerative diseases of bone and joint，and knee osteoarthritis is the most common degenerative diseases.The clinical manifestations of knee osteoarthritis are different levels of knee pain，limited knee movement and joint deformity，which seriously affect the life quality of patients.In clinic，the treatment goal，methods and rehabilitation strategies of the elderly patients with knee osteoarthritis are different from normal.Therefore，this consensus is based on the pathogenesis and epidemiology of knee osteoarthritis，combined with the latest evidence-based medicine and clinical experience，and aim to elaborate the clinical treatment and rehabilitation strategies，especially the use of personalized intelligent orthoses for rehabilitation，of knee osteoarthritis in the elderly.We are devoted to improve the prognosis and life quality of elderly patients through popularizing this consensus of experts.

Key words: elderly patient, knee osteoarthritis, personalized intelligent orthosis, rehabilitation