Calf pain after climbing may be two conditions: First, normal soreness, especially for people who lack exercise for a long time, when performing exercise, the body’s glucose will produce a metabolite called lactic acid after metabolism. If the intensity of exercise is too high, lactic acid can not be broken down into water and carbon dioxide and excreted in a short time, a large amount of lactic acid accumulation will cause local muscle soreness. In this case, you can massage the calves after climbing to drain the acid, or use a towel to heat the calves to speed up blood flow, but also to relieve the symptoms of pain, usually 2-3 days to recover. Second, there may be a muscle strain caused by excessive exercise and pain, climbing when the calf for a long time to continue the same force action, excessive muscle strain caused by injury, it is recommended that the use of cold compresses within 24 hours after climbing to relieve pain, 24 hours after the hot compress to reduce swelling, with massage, massage and other physiotherapy means if necessary.