The following causes of pelvic pain are common in men: first, caused by acute injury, such as shock and impact to the pelvis during strenuous exercise, resulting in injury, including ligament strains and contusions, and minor damage to the local bone, resulting in painful symptoms. Second, chronic strain, such as prolonged sitting at work or prolonged standing and walking, can lead to peripelvic tissue strain and injury, resulting in the appearance of pain symptoms. Third, see in seronegative spondyloarthritis, often with the sacroiliac joint as the first symptom, will also appear the symptoms of pelvic pain. Fourth, other systemic diseases, such as blood disorders or tumor metastases, may also produce painful symptoms around the pelvis, and patients are advised to go to the hospital for detailed examination.