The calf muscle pain in the elderly may be caused by the following reasons: 1, the more common is calf muscle injury, the elderly muscle with the gradual growth of age will decline year by year, both muscle quality or muscle strength will be significantly reduced, so especially vulnerable to injury in daily life. In daily walking, running, jumping, hiking, up and down stairs and other activities easily triggered calf muscle injury, resulting in pain. 2, the elderly calf muscle pain may also be a long time not exercise caused by the long time not exercise in turn will make calf pain. 3, calf muscle pain may also be the formation of blood clots between the muscles, the pain level is relatively heavy.