Patients with pain on both sides of the buttocks, the specific causes are as follows: 1, gluteus fasciitis: mainly due to frequent bending labor, bending to carry heavy objects caused by bending, bending the hip fascia will be tense, a long period of tension will cause inflammation of the fascia, manifested as pain on both sides of the buttocks lamellar. 2, bilateral sciatic tuberosity bursitis: in the bilateral sciatic tuberosity bones below the presence of over the sciatic tuberosity bursa, if often sedentary, will cause The sciatic tuberosity bursa is squeezed, between the sciatic tuberosity bone and stool surface, time will appear bursal hyperplasia and bursal inflammation, can be manifested as bilateral sciatic tuberosity area point-like pain, the general way to improve is to try to avoid sedentary.