Radiology is a comprehensive examination, diagnosis and treatment department. The examination methods included in radiology department are CT, ECT, PET-CT, CR, DR, DSA and MRI. Therefore, the examination scope of radiology covers all organs of the whole body, and almost all diseases can be clinically examined and clearly diagnosed by radiology equipment. In addition, nowadays, interventional treatments, such as microwave ablation and radiofrequency ablation, for malignant tumors, are also performed in radiology departments. Therefore, radiology department has a very important position in all hospitals.