Soreness and swelling of lumbar coccyx may be related to lumbosacral osteophytes, lumbosacral strain, lumbosacral fasciitis, etc. Different treatments are adopted according to the different causes of the disease, including general treatment, medication, physiotherapy, and so on. 1. Lumbosacral hyperplasia: The hyperplasia stimulates the lumbosacral fascial tissues and nerves, causing pain and soreness in the lumbosacral area. Anti-inflammatory and analgesic drugs, such as celecoxib and diclofenac sodium, can be given when the symptoms of soreness and pain are obvious. 2. Lumbosacral muscle strain: due to trauma or prolonged sitting, it can lead to lumbosacral muscle strain, which is manifested as soreness and pain in lumbar coccyx. At this time, should change the position, bed rest, reduce the amount of local activities, can be warm towels for hot packs physiotherapy, if necessary, can give local massage, infrared radiation and other methods of treatment. 3. Lumbosacral fasciitis: mostly due to the lumbosacral cold and damp, or overwork, poor rest, etc., resulting in localized fascial damage, which is manifested as lumbosacral soreness, pain and other symptoms. If the soreness and pain are obvious, diclofenac sodium, celecoxib and other anti-inflammatory pain relief can be given, but also can be localized hot compresses, massage, etc. Usually pay attention to rest, avoid exertion and cold. Lumbar tailbone soreness may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. The above medication is recommended to use under the guidance of a doctor, avoid self-medication.