Tailbone pain may be caused by physiological factors, but also may be a symptom of certain diseases, such as coccygeal fasciitis, tumors, trauma, etc., should be timely consultation to identify the cause of the disease. 1. Physiological factors: poor sitting posture may lead to chronic wear and tear of the soft tissues around the tailbone, aseptic inflammatory reaction occurs, stimulating the nerves and causing swelling and pain around the tailbone. 2. Pathologic factors (1) Tailbone fasciitis: this is a chronic pain, which is seen in some people who work for a long time, often need to sit for a long time and drive a long-distance car. As the fascia of the sacrococcygeal area is in a long time tense state, it causes aseptic inflammation, which will lead to pain in the tail. (2) Tumor: if there are tumors around the tailbone, such as chondrosarcoma, chondrosarcoma, caudal bone hemangioma, etc., the compression of the tumor will also cause pain, which can be accompanied by fever, pain aggravated at night and other symptoms. (3) Traumatic injury: The pain of tailbone may be caused by the external heavy impact which leads to the injury of tailbone, such as fracture, dislocation and so on. Tailbone pain may also be caused by other factors, it is recommended to consult a doctor in time to clarify the cause of the disease and give targeted treatment.