Tailbone has been hurting for months after a fall, which may be caused by soft tissue injury, tailbone fracture and tailbone tumor. It can be treated by general treatment, physical therapy, medication, surgery and other methods according to the cause of the disease. 1. Soft tissue injury: If there is skin and subcutaneous tissue injury after the tailbone area is injured, it will cause local pain, which is usually relieved in about 1~2 weeks, and the pain may last for a long time in serious cases. Usually pay attention to rest, can apply non-steroidal anti-inflammatory drugs, such as diclofenac sodium and other treatment. You can also use trilostane, lidocaine and other closed treatment, which can effectively relieve the pain. 2. Tailbone fracture: If there is a tailbone fracture after a tailbone fall, it can also cause pain in the tailbone for several months. Usually pay attention to rest, you can use cushions to reduce the compression of the buttocks. Heat therapy, non-steroidal anti-inflammatory drugs, closed and other treatments can also be used. If there is persistent pain, conservative treatment is ineffective surgical treatment, such as coccygectomy. 3. Tailbone tumor: if the tailbone has been hurting for several months after a fall, the possibility of tailbone tumor or metastatic cancer of tailbone should be considered. It is necessary to check X-ray and CT to determine whether there is a tumor in the tailbone. Surgery is needed for severe cases. If the pain persists for several months after the tailbone fall, you can go to the hospital to further identify the cause of the disease, and then targeted treatment. The above drugs need to be applied under the guidance of physicians and pharmacists, avoid self-medication.