One side of the gluteus maximus pain can be caused by the following reasons: first, gluteal muscle fasciitis, gluteal muscle fasciitis can appear on one side of the gluteal muscle chronic aseptic inflammation leading to pain, often in the cold, exertion pain is more significant, early checkups and examinations, to exclude other diseases to diagnose. Secondly, dermatoneuritis of gluteus maximus muscle, dermatoneuritis can appear one side of the gluteus maximus muscle pain, often for the dermatoneuritis innervation area of the size of a palm pain, early examination, early oral nutritional nerve medication, as well as physical therapy, to carry on the treatment. Third, gluteal muscle contracture, gluteal muscle contracture can also appear gluteus maximus pain, often due to intramuscular injections and lead to secondary muscle pain, to be early combined with the medical history, as well as physical examination for diagnosis.