Bilateral dense osteitis of the iliac bones is mainly seen in middle-aged women and is mainly caused by late pregnancy and after childbirth. It is caused by frequent abnormal irritation or injury to the sacroiliac joint position, resulting in damage to the iliac area of the sacroiliac joint. Dense osteitis of the ilium is also associated with body weight and chronic strain from sitting and squatting for long periods of time. Usually take the following treatment measures: 1, more bed rest, when getting out of bed, it is best to wear a waist circumference lumbar support, to avoid the sacroiliac joint parts of the strain as well as trauma. And pay attention to avoid prolonged sitting, squatting and excessive bending, usually pay attention to the sacroiliac joints to keep warm and can not be cold. 2, the application of warm water bag or frying hot coarse salt in the sacroiliac joints position of the hot compresses, can promote the metabolism of the local inflammation, reduce local pain. 3, oral anti-inflammatory pain relievers such as clonoxicam, celecoxib, to reduce inflammation foci around the sacroiliac joints to alleviate the pain. 4, intractable pain treatment is poorer, you can Consider sacroiliac joint fusion. After surgery, there will be no recurrence or other sequelae, and the prognosis is better.