Along with the development of social economy, older population with requirement of improving quality of life increase in recent years, the number of patients with TKA is increasing as well. Artificial knee joint replacement may help to relieve knee pain and improve its function, improve the patients quality of life, and postoperative nursing care of high quality and effective functional exercise is the foundation of good curative effect. The author through searching the relevant literature in recent years, and summarize the postoperative nursing care of the surgery.