Osteitis pubis may be caused by trauma, chronic strain, surgery, etc. 1. Trauma: it may be caused by lacerations, or it may be a localized injury caused by laxity of the pelvic ligaments during pregnancy or childbirth, which often results in an inflammatory reaction. 2. Chronic strain injury: it may be stress injury or traumatic cause, resulting in localized injury, which is prone to inflammatory reaction over time. 3. Surgery: mostly seen in female pelvic surgery, male urinary or reproductive system surgery, easy to induce osteitis pubis. Pubic osteitis may also be caused by other reasons, it is recommended to go to the hospital in time to identify the cause of targeted treatment.