The reason for thigh cramps are the following: 1, caused by exertion, generally after a long time walking or running will make the thigh muscle lactic acid production, when resting muscle fibers will appear excited, there will be cramps, pain performance, after the appropriate relaxation of the muscle can be relieved. 2, thigh cramps may also be caused by calcium deficiency, generally after calcium deficiency will make the nerve, muscle abnormalities. The company’s main business is to provide a wide range of products and services to its customers.