Clavicle a high and low, common in clavicle fracture, acromioclavicular joint dislocation and other reasons, specific as follows: First, clavicle fracture: clavicle fracture in the middle of the clavicle, from the external view of the bilateral will be a high and low, accompanied by the high side of the swelling, pain symptoms, shoulder joint activities will also be affected, shooting X-ray will be found in the clavicle cortical discontinuity, through the incision of reset plate screw internal fixation, can be restored to the stability of the fracture end, so that the Through the internal fixation of cut-and-replace plate screws, the stability of the fracture end can be restored and the symmetry of the clavicle can be made. Second, acromioclavicular joint dislocation: acromioclavicular joint dislocation can make one side of the distal end of the clavicle obviously cocked, higher than the opposite side, X-ray filming can confirm the acromioclavicular joint dislocation, through the surgical internal fixation and repair of ligaments, the stability of acromioclavicular joint can be restored to make the bilateral symmetry of the clavicle. Therefore, if the clavicle appears to be one high and one low, early diagnosis and treatment should be made in order to restore the clavicle to its normal condition. Patients should pay attention to protect the clavicle and acromioclavicular joint in general to avoid injury and dislocation.