Whether a broken rib can heal on its own depends on the severity of its condition; if it is a simple fracture with no displacement, it can heal with simple treatment. Rib fractures can be categorized into complete and incomplete fractures; complete fractures can be further categorized into displaced and non-displaced fractures. Generally speaking, incomplete fractures and non-displaced fractures in complete fractures can heal on their own after localized external fixation and anti-inflammatory and analgesic treatments if they are not accompanied by injuries to other organs. Because the ribs are located in the chest cavity, the local blood circulation is good, which is conducive to rib repair. However, displaced fracture will not heal by itself, because the broken end of the fracture is displaced, and it will not grow and heal by itself without internal fixation and repositioning. Therefore, if you have a rib injury, it is recommended that you seek immediate medical attention.