A rib cortical fracture is an imaging description of the cortex, the dense mass of bone distributed around the periphery of the bone, and a rib cortical fracture is used to describe the radiographic presentation of a rib fracture. The cortex is the dense mass of bone that surrounds the periphery of the bone, and the dense mass of bone makes up the lamellar bone, which is hard. A rib cortical fracture is a type of fracture; a fracture is an interruption in the integrity and continuity of the bone; a rib cortical fracture indicates that the fracture line is only located in the cortex of the bone and has not completely passed through the bone, usually indicating that the fracture is minor. When the discovery of rib cortical fracture imaging results, although it is a relatively minor degree of fracture, but still should go to the hospital in a timely manner by a professional doctor to diagnose, according to the specific circumstances to take the appropriate treatment.