1. Surgical method of anterior internal zygomatic fracture: cut the zygomatic process, take out a small piece of bone to be reset, fold the remaining zygomatic process inward and fix it with bone nails to keep the zygomatic arch intact. Suitable for face shape: the face is not too wide, but the front is prominent. Advantages of the operation: completely performed in the mouth, no trauma. Disadvantages of operation: the zygomatic arch has not changed, and the zygomatic process has been reduced to a limited extent. 2. Operation method of zygomatic adduction: zygomatic process and zygomatic arch are interrupted, part of the bone to be reset is removed, and the whole zygomatic bone moves inward and recombines. Suitable for face type: the face with wide and prominent front side. Advantages of the operation: large reduction of cheek and obvious visual effect; Can be performed completely in the oral cavity, reducing trauma. Disadvantages of the operation: The technique is quite complicated, and it needs an experienced doctor to complete it safely. 3. Surgical method of posterior medial zygomatic fracture: grinding the bone to reduce the zygomatic process appropriately, but keep it in place; Make a small incision in front of the ear, break the zygomatic arch and fold it in. Suitable for face: the face is wide and the temples have a certain sense of depression. Advantages of the operation: the position of zygomatic arch can be changed, and the zygomatic process can be adjusted appropriately, which can obviously reduce the face shape. Disadvantages of the operation: the technique is complicated, and there are two wounds in the mouth and in front of the ear.