The radiated diagnostics family has already developed into and included such traditional or hightech - new modern medical images of checking the technological project such as X - ray, CR , DR , CT , IVR, DSA , MRI , US , ECT , PET ,etc. In the face of radiating and learning to examine practice of examining modernly, how to choose to check the project? Examining and examining the ray in the course to protect, patients'agreement to let his/her body be known, the patients private secrets profection and excessive inspection, medical result than wait for a series of is it diagnose with technology studying radiation ethics problem of category appear in front of radiating workers and hospital administrator to radiate to surmount price, we carry on analysis and discussion on this, which let modern radiate ethics and radiate technology , radiate and diagnose that merges to make every effort, which radiate worker pay attention to ethics of radiating to let. We think , medicine of dept. of radiology , the technician , while safeguarding and using modernized medical technical equipment, should create and maintain harmonious relationship between doctors and patients for mutual trust or even more, while treating " patients softhneartedly using the modernized " hard equipment " , make sure patients consume lowest really , minimum agony , fewest loss, shortest time while get most practical radiation result a diagnosis.