There are two main ways to choose the correct site for knee ointment: First, local acupuncture point application, often chosen from the medial knee eye, lateral knee eye, crane top point, Yanglingquan, Yinlingquan, as well as the thigh pass, foxtail, blood sea and other points, these points can play a good role in dredging meridians, can effectively promote the local inflammatory metabolites, as well as the metabolism and absorption of bruising and swelling, can promote the recovery of the knee function,. Alleviate pain. Second, choose the location of local pain in the knee joint for treatment, because the location of local pain in Chinese medicine is called the A-Yi point, through the acupuncture point after the application can play a role in relaxing tendons and channels, blood circulation, blood stasis, is also the closest place to the lesion, can effectively promote the absorption of local drugs, directly on the lesion, can also promote the recovery of pain and unfavorable symptoms in this location.