Hip dislocation braces generally require immobilization for a period of time that is determined by your own condition, generally requiring a minimum of 3 months. For infants and young children within one year of age, three months to five months after birth, found to have dysplasia, or dislocation, soft fixation is used, with a cloth bib specializing in hip external rotation, abduction soft fixation, fixation is generally required to be fixed for more than six months, and according to the recovery situation, it can also be extended to a year’s time. If the patient is congenital hip dislocation after one year old, the plaster should be fixed for more than three months in general, absolute braking within one month, if the hip dislocation still exists after three months, need to be re-stabilized in plaster, and observe the development of the hip joint at regular intervals. Because of the continuous development of the hip joint, it needs to be re-fixed every three months, and the time of brace fixation is decided according to the recovery situation. The duration of hip brace immobilization depends on the severity of the patient’s condition and physical condition, and the immobilization time is shorter for patients with good physical condition and less severe symptoms.