One side of the sternum is high and the other side is low, which may be caused by congenital developmental deformity or rib fracture. Conservative treatment, manipulative repositioning, or surgical treatment can be taken according to the situation. 1. Congenital developmental deformity: If the sternum is always high on one side and low on the other side, it may be caused by congenital developmental deformity. For those who do not have obvious symptoms, they can often carry out exercises such as expanding the chest, so as to improve the function of the chest. If it is accompanied by serious discomfort, such as chest tightness, panic and dyspnea and other visceral compression symptoms, you should actively seek medical treatment and surgical correction. 2. Rib fracture: the high side of the sternum and the low side of the sternum may also be caused by rib fracture, it is recommended to take rest and avoid excessive activities. When the symptoms are mild, most of them can be effectively improved through manipulation and repositioning, and if necessary, surgical treatment should be carried out. There are many reasons for the high chest bone and low chest bone, so it is recommended that patients actively seek medical treatment to avoid delaying their condition.