The zygomatic bone is located on the lateral side of the middle part of the face, below the outer orbital region, and forms a bony protrusion of the cheek. 1. The zygomatic bone is an important bony structure in the middle of the face and is an important part of the facial contour. The zygomatic bone is one of the cranial bones of the face, and is located in a piece of the face protruding from the outer lower part of the eye socket, forming part of the zygomatic arch and connecting with the temporal bone, the pterygoid bone, the frontal bone, and the maxilla. 2. The main role of the zygomatic bone includes the protection of the lateral wall of the skull, the maintenance of the facial shape and contour, and the separation of the superficial skin and the deep temporal muscle. The zygomatic bone is relatively prominent and the zygomatic arch is thin and narrow, which makes it susceptible to impact and fracture. Zygomatic bone fracture can be clearly diagnosed according to the history of injury, clinical manifestations and X-ray examination, and the typical clinical manifestations are localized pressure and pain, and even collapse and displacement.