Pain in the tailbone of the buttocks may be related to trauma, herniated discs, and sacrococcygeal tumor compression. Walking accidentally fall hip landing will cause hip and sacrococcygeal soft tissue injury, serious may cause sacrococcygeal fracture, there will be obvious pain, activity limitation, swelling, subcutaneous bruising and other symptoms. Herniated lumbar disc compresses the cauda equina nerve, which can cause abnormal innervation function of the nerve to the buttocks, and symptoms such as pain, numbness, and abnormal urination and defecation can also occur. Sacrococcygeal bone cysts and bone tumors can compress the surrounding tissues, and symptoms such as soreness and pain can also occur. Pain can also occur if there is too much activity hip muscle spasm and lactic acid buildup. Pain can also occur if the bed is too hard and compresses the tissues in the sacrococcygeal region of the buttocks during nighttime sleep. If pain occurs in the gluteal sacrococcygeal region, it is recommended that the patient go to the hospital to clarify the cause of the disease and undergo regular treatment.