There are several reasons for pain at the sciatic tuberosity: 1, there is a certain amount of recent external injury, just did not pay attention to themselves, such as knocked, touched. 2, long time sitting, because there is no muscle at the sciatic tuberosity, compared to the long time sitting in contact with hard things more, and the part is still the starting point of many muscles, it is easy to produce sciatic tuberosity bursitis. 3, there is a previous external injury resulting in There is a fracture of the sciatic tuberosity, even if the fracture has completely healed, compared to the normal side of the sciatic tuberosity, sitting for a long time, stimulation time more prone to strain, strain lesions, there is pain should be more bed rest, avoid the place contact with hard things, sitting. In addition, you can do hot compresses, physical therapy or topical application of blood circulation and pain relief creams, and if necessary, local closed injection treatment, the effect is not bad.