Swelling in knee effusion can be promoted by puncture, massage and oral or topical medication to reduce swelling. Specific treatment needs to go to the hospital for examination and specific analysis, there is no fastest way to say. 1. When the effusion is small, use knee massage and acupuncture to stimulate the acupuncture points, which is good for relieving the swelling of the knee joint and promoting blood circulation to relieve pain. 2. Elevate the affected limb to promote blood return. You can also apply localized ice packs on the joints for 30 minutes each time, 3 times a day, to reduce the secretion of inflammatory substances. 3. Oral non-steroidal anti-inflammatory and analgesic drugs such as celecoxib. As well as Diosmin or blood-activating Chinese medicine to promote absorption. 4. If the effect is not satisfactory and there is more fluid, joint puncture can be taken to extract the fluid. Knee effusion swelling patients are recommended to seek medical attention, check the cause of the disease, and targeted treatment.