Pediatric radial tuberosity is prone to subluxation, because the radial tuberosity is not fully developed, it is easy to be subluxed when it is pulled excessively by external force. After subluxation, children are prone to crying, and their hands are rotated forward and semi-flexed, so they need to consult a doctor in time and have their hands professionally reset, which is usually successful once, and the symptoms will disappear after the reset is successful. In addition, it is necessary to pay attention not to pull the hand too hard, it is recommended to grasp the part above the elbow, some children are easy to form habitual dislocation after several times of subluxation, and need surgical treatment.