There are many reasons for sacrococcygeal pain, the common reasons are sacrococcygeal bursitis, trauma, sacrococcygeal tumor, sacrococcygeal peripheral organs and tissues lesions, etc., the details are as follows: 1) Sacrococcygeal bursitis, prolonged sitting leads to local pressure on sacrococcygeal bursa, which produces aseptic inflammation, and then sacrococcygeal pain symptoms will appear; 2) trauma, such as sacrococcygeal fracture, soft tissue contusion and so on, will cause sacrococcygeal pain symptoms; Tumor occupying lesions in the sacrococcygeal area; 4. lesions in the organs and tissues around the sacrococcygeal area, such as gynecological diseases, perianal diseases, etc. can cause sacrococcygeal pain symptoms. For patients with sacrococcygeal pain, it is recommended to go to regular hospitals in time to improve the relevant examination and take corresponding treatment after clear diagnosis.