First, the pubic symphysis separation in pregnancy, especially the characteristics of the pubic symphysis separation occurred in late pregnancy: the onset of late pregnancy is generally slow, the symptoms gradually aggravated, from the initial pain at the pubic symphysis, gradually developed to the inner thighs pain, pain increased when changing position, walking difficulties, in serious cases can not get out of bed. Second, in childbirth, after the separation of the pubic symphysis 1, the separation of the pubic symphysis occurred in childbirth, often more serious damage; 2, after the discovery of the separation of the pubic symphysis, most of them occurred in childbirth, but did not pay attention at the time; 3, the onset of postpartum are sudden onset, while a variety of symptoms, pain at the pubic symphysis, turning pain when changing position, pain radiating to the inner thigh, duck walk-like walking or bed can not walking. Third, the pubic symphysis separation recurrence Patients have had the pubic symphysis separation, cured, and even have gone to work. Due to the strenuous life and work, the newly repaired pubic symphysis is not protected, resulting in the separation of the symphysis again and pain at the pubic symphysis, which affects walking, sitting and standing. Case: Wang, female, healed from separation of pubic symphysis. Three months after giving birth, her symptoms recurred after she went to work, and she had pain at the pubic symphysis. Fourth, the separation of the pubic symphysis with chondritis separation of the pubic symphysis, can not be repaired in time, chondritis often occurs here, local pain, the pubic symphysis can not be repaired for a long time, and even lead to bone defects. V. Separation of the pubic symphysis with dense sacroiliac arthritis 1. Ligamentous laxity due to hormonal changes during pregnancy and childbirth, affecting the pubic symphysis and the ligaments around the sacroiliac joint; 2. Due to improper posture, the sacroiliac joint is often misaligned and separated, leading to the occurrence of dense sacroiliac joint; 3. Pain occurs in both the pubic symphysis and the sacroiliac joint, and walking activities are more difficult for patients. VI. Treatment 1. Bed rest. For late pregnancy onset, Caesarean section should be preferred as soon as possible to avoid aggravation of the disease by vaginal delivery; 2. Adopt lateral lying method for bed rest. Avoid prolonged standing, prolonged standing; 3, local closure; 4, external fixation of the pelvic lap band restraint. Diamond form pelvic belt, scientific use of diamond-shaped structure combined with ergonomic research and invention, a breakthrough solution to the general pelvic belt fleeing slippage, bad, poor results and other problems, scientific maximum help tighten the pelvis to restore the separation of the pubic symphysis fast recovery, greatly improving the use of the effect.