Thigh skin pain, the surface is not symptomatic, there is no redness and swelling symptoms, this situation is generally considered to be caused by these reasons: on the one hand, there is a relationship with the muscle injury caused by excessive sports exercise. On the other hand, it may be related to the muscle strain caused by heavy physical labor. Another need to consider is not due to lumbar spine lesions, or sciatic neuropathy, caused by the pain performance. In this case, generally need to go to the hospital pain department for examination, according to the results of the examination to further clarify the cause, and then carry out active treatment and prevention.