Calf muscle pain is generally considered the following four aspects: 1, the calf local problems, local problems are skeletal problems, but also muscle problems, skeletal problems such as osteoma, cysts, and chronic inflammation of the bone itself, will also calf pain. Muscle problems, for example, may be fibroids, may be a hemangioma in the muscle or chronic strain, may appear pain, which is a local problem; 2, may be the sciatic nerve problems, sciatic nerve some people will also simply appear calf muscle pain. This nerve may be the pear-shaped muscle syndrome, or it may be a herniated disc slightly touching the nerve, which will appear simply calf pain. There is also a mild vertebral instability, some people will appear leg soreness, leg swelling; 3, not only have calf muscle pain, but also appear pathological reflexes and other problems, to consider whether the thoracic segment above the spinal cord, or even the brain has problems. If the combination of pathological reflexes, muscle tension, called hypertonia, or muscle weakness, muscle tone slowed, reflexes disappear, to consider the thoracic spinal cord above the problem or brain problems; 4, some elderly people will muscle pain, may be related to osteoporosis. Osteoporosis can be relieved by sunbathing, exercising, by proper exercise, and by supplementing with some calcium and vitamin D. There are also some children in the growth period will appear localized calf, or involving pain near the joints, called children’s growing pains, supplemental vitamin D and calcium tablets, appropriate sun exposure, exercise can be good.