Three-year-old children can be corrected, if the symptoms are mild, generally no special treatment, if the symptoms are more serious, it is recommended to consult a doctor in time for leg correction. 1. Mild symptoms: If the symptoms of children’s rotator cuffs are mild, generally do not need to deal with, you can usually pay more attention to the child’s sitting posture, can be appropriate to supplement calcium and sunshine. 2. Severe symptoms: If the symptoms of rotunda leg are more serious, it is recommended to consult a doctor for leg correction in time, and choose the most suitable correction method according to the specific situation, such as wearing orthopedic braces for correction, etc. It should be noted that during the correction period, the child must wear an orthopedic brace. It should be noted that, during the correction period, we must follow the doctor’s instructions, usually eat more food with high content of vitamins and calcium, appropriate sun exposure, etc., which will help the rapid recovery of leg correction.