Massaging the popliteal fossa of the knee can promote blood circulation, relieve pain, alleviate knee dysfunction and increase muscle strength. 1. Promote blood circulation: there is an important network of blood vessels around the knee, regular massage of the popliteal fossa of the knee can make the blood circulation around the knee smoother, accelerate the venous return, which can prevent varicose veins, lower limb swelling, and so on. 2. Relieve pain: the knee popliteal fossa has a rich network of blood vessels, there are also nerves through the popliteal fossa of the knee, regular massage of the knee popliteal fossa can relax the nerves, reduce the accumulation of lactic acid substances in the knee, thus relieving knee pain. 3. Relieve knee dysfunction: massage knee popliteal fossa on the popliteal fossa at the fascia, tendons, etc. has a certain role in the relaxation, can relieve the knee pain due to osteoarthritis or knee joint extension dysfunction. 4. Enhance muscle strength: often massage the knee popliteal fossa, is conducive to the metabolism of nutrients in the synovial membrane, the muscles, ligaments, meniscus has the role of exercise, thereby enhancing muscle strength. But massage strength and time to appropriate, excessive massage is often counterproductive. It is recommended to go to the regular medical institutions massage.