Symptoms of pain in the upper left side of the buttocks: 1, may be due to bending too long, in the position of the iliac spine of many muscle attachment points in the state of tension, resulting in local inflammatory foci. 2, may be due to sitting too long, especially sitting on a short stool for too long, resulting in the position of the buttocks above the obvious muscle strain pain. 3, may be due to weight-bearing walks, especially the carrying of heavy objects, When walking, the hip joint position will present the state of external rotation, which will easily lead to fatigue of the gluteus maximus muscle position to form strain, which will produce the symptoms of inflammation and obvious pain. Therefore, the symptoms of pain in the upper left side of the buttocks, first of all, bed rest, avoid strenuous activities, give physical therapy, or external use of blood circulation and eliminate blood stasis, anti-inflammatory and analgesic drugs to alleviate the symptoms. If there is no relief within a short period of time, it is necessary to go to the regular hospital in time, complete the necessary auxiliary examinations, and choose reasonable treatment methods after a clear diagnosis, so that the symptoms of pain in the upper left side of the buttocks can be relieved in a timely and effective manner.