For the appearance of buttock muscle soreness in the morning, it is mainly seen in three reasons: First, when sleeping on the side for a long time, resulting in prolonged compression of the buttock muscles and fascia, which will cause spasm and edema, and thus there will be obvious symptoms of buttock muscle soreness when waking up in the morning. Second, see the hip muscle fasciitis, this situation is related to long time low head, bending activities or squatting work during the day, at night rest will gradually appear hip muscle, fascia spasm, will have obvious buttock muscle soreness in the morning. Third, see in strains, especially in the daytime work of the hip muscle, fascia mild strains after the patient often do not feel, but, at rest will appear muscle, fascia edema, will be in the morning when the buttocks muscle soreness.