Dong’s acupuncture points commonly used in the treatment of knee joint effusion include Ling Bone, Dabai, Shoulder and so on. 1. Ling Bone is localized at the back of the hand between the tiger’s mouth, thumb and forefinger fork bone, where the metacarpal bone meets the second metacarpal bone. This point has the effects of activating the meridians, clearing and regulating the lung qi, descending the intestines and stomach, and clearing blood stasis, and it is a commonly used point for the treatment of knee joint effusion. 2. Dabai is positioned between the metacarpal bone and the second metacarpal bone on the dorsum of the hand, one inch away from the Ling Bone Acupuncture Point, which has the efficacy of regulating Qi and removing blood stasis, and is also used for treating fluid retention in the knee joint. 3. Shoulder Zhong is positioned on the humerus, two inches straight down from the Shoulder Peak Acupuncture Point, which has the effect of activating blood circulation and removing blood stasis. Dong’s acupuncture is developed on the basis of traditional acupuncture. When selecting the above acupoints for the treatment of knee joint effusion, it is necessary to be operated by a professional Chinese medicine practitioner, and do not operate on your own.