Knee degeneration is the main cause of knee pain and is a chronic disease common in the middle-aged and the elderly.Knee osteoarthritis is medically called osteoarthritis of knee joint.According to the survey, the number of elderly patients with knee osteoarthritis in Hong Kong was 260,000 in 2011. The book is written by professional TCM orthopaedics experts with rich clinical experiences, introducing the structure of the knee, the basic knowledge of the osteoarthritis of the knee, the various means of prevention and treatment of traditional Chinese medicine and the treatment of the disease related to the knee pain.It has complete contents, clear structures and graphic interpretation, which is a guide book for the TCM treatment and life maintenance of the patients with knee osteoarthritis.