Sitting down on the tailbone pain, standing up all right, may be normal physiological factors, may also be the existence of tailbone fracture, the need for medication. 1. Physiological factors: if a person is very thin, the tailbone part of the fat is less, there may be in the sitting time is too long or sit on the bench is more hard when the tailbone part of the pain symptoms, at this time to stand up the pain will be relieved or disappeared, if this situation leads to, it is recommended to put a seat cushion on the bench and then sit down, and don’t sit for a long time without activity. 2. Tailbone fracture: most of the cases of tailbone fracture are caused by violence, may be caused by accidental fall after the tailbone on the ground, or impact caused by the tailbone fracture because the tailbone fracture after sitting down when the body’s gravity is directly on the tailbone, so it is easy to have a painful situation, it is recommended that the patient to rest more, don’t let the tailbone part of the force. If it is difficult to relieve the symptoms, it is recommended to consult a doctor in time to clarify whether the tailbone is combined with injury or other lesions, and follow the doctor’s instructions for timely treatment.