For children aged 3 to 5, manual reduction is difficult, and surgery is the primary method. This includes the hip joint medial and anterior approach repositioning surgery, iliac osteotomy, and pericapsular iliac osteotomy. The success rate at regular orthopedic hospitals is quite high. Wishing for a speedy recovery. The occurrence of pediatric hip developmental dysplasia severely affects the patient’s quality of life. In addition to timely treatment, it is also important to pay attention to daily care, ensure adequate rest, and enhance nutrition to avoid or reduce the risk of recurrence.