With the improvement of living standard, health consciousness and economic income, people’s requirements for the performance of cranial repair materials are getting higher and higher, and it is almost difficult for a single traditional material to meet people’s needs for aesthetic and rehabilitation. According to the clinical statistics in recent years, many people are not only concerned about the post-operative aesthetic effect, but also pay extra attention to the post-operative rejection, infection, and MRI examination. So, can MRI be done after skull repair? According to our rich clinical experience for many years, MRI can be done after skull repair, but some materials may affect the postoperative examination due to the difference of physical properties. For example, titanium mesh, which is widely used in clinical practice, as a metal material, will interfere with the transmission of radiation, and a large number of artifacts will appear when doing MRI, thus affecting the image diagnostic performance. In addition, titanium mesh is covered, which is easy to cause material leakage after long implantation time and may also cause problems such as rejection infection after surgery, so patients must be careful when choosing repair materials. With the depth of medical research, cranial repair materials and repair surgery are constantly advancing, polyetheretherketone PEEK material with its excellent performance has become the more ideal cranial repair materials, the material radiation can pass through, will not affect the patient’s postoperative examination, for MRI, CT inspection imaging will also be clearly displayed; in addition, the material is embedded, the patient in the use of safe, comfortable In addition, the material is embedded, so it is safe and comfortable for patients to use and does not produce foreign body sensation, and its performance is excellent.