Elbow inversion deformity, commonly known as “elbow turning inward”, is one of the common long-term sequelae of elbow fractures in children, and the most common cause of elbow inversion is supracondylar fracture of the humerus, accounting for about 80%. The most common cause of elbow inversion is supracondylar humerus fracture, which accounts for about 80% of cases. Another distal humerus epiphyseal separation and epiphyseal injury of the inner condyle, poorly repositioned humeral condyle fracture, and old elbow dislocation can also cause elbow inversion deformity, although it often does not exist or only exists slightly elbow activity inconvenience, and children also have strong shaping ability in the process of growth and development, but this disease can not be reduced or disappeared with age and be corrected, seriously affecting the aesthetic and psychological health of the affected limbs. In recent years, more and more children have requested surgery to correct elbows that are turned inward, as the standard of living has improved and people have higher and higher demands for aesthetics. When the child’s family considers unacceptable appearance deformity is the indication for surgical correction, then what is the timing of surgical orthopedics? The current unified expert understanding of children with elbow injuries 6 months after the injury and no obvious signs of continued development of deformity, can be considered for orthopedic surgery. The distal humerus osteotomy orthopedic surgery is a common method for the treatment of elbow entropion, and its internal fixation method has been reported more often, and the method with good results is the fixation of kerfuffle pin tension band or plate fixation, parents and friends must know that the surgery can only achieve the improvement of appearance and reduce the impact on the mental health of children.