Acupuncture treatment for knee osteoarthritis can improve joint stiffness, increase joint stability, reduce local swelling, and thus achieve pain relief. There are four main methods of acupuncture points: 1) local acupuncture points: the calf nose, inner knee eye, blood sea, Yanglingquan, etc.; 2) meridian acupuncture points: the points on the foot Yangming Stomach meridian, foot Taiyin Spleen meridian and foot Shaoyang Gallbladder meridian are mostly used; 3) evidence-based acupuncture points: the blood sea is the first important point for activating blood circulation and resolving blood stasis, Yanglingquan is a tendon meeting point, the blood sea with Yanglingquan has the effect of relaxing tendons and activating channels, and benefitting joints; 4) specific acupuncture points: the five transfusion points, the original points and the eight pulse meeting points are mostly used.