There may be several reasons for pain on both sides of the sacrum: 1. Trauma, if external impact or inadvertent fall, may cause pain and swelling at the sacrum. You need to visit the hospital to improve the relevant examination to see if there is a fracture. If there is a fracture, a suitable treatment plan needs to be formulated according to its degree. If there is no fracture, the local pain may be caused by the accumulation of blood stasis at the trauma site. If there is no fracture, the local pain may be caused by the accumulation of blood stasis at the trauma site. 2. Treatment can be given to Lofen toine extended-release tablets for pain relief, Flurbiprofen Babu cream for topical analgesia, ultrasound drug introduction, Chinese medicine fumigation and other physical therapy to relieve pain. 3, pelvic inflammatory disease, if there is pelvic inflammatory disease, may also lead to pain on both sides of the sacrum, need to consult the gynecological clinic for treatment of pelvic inflammatory disease.