To investigated whether radiological technician routinely exposed to ionizing relation have a higher prevalence of thyroid disorder, however the correlation between occupational radiation expose in hospital and thyroid disorder is not recognized. Method the cases in the study were technician who worked in public hospitals in eastern are (governmental only) the 309 cases were enrolled for the study, all participates were submitted self-answered questionnaire. This study concludes that There are no thyroid disorders in cases exposed to radiation of 3, 5,6 hours a daily, but thyroid disorder increases from 3 cases at 8 hours of exposure to radiation to 5 cases at 10 hours of exposure. Number of cases exposed to radiation at a rate of 8 hours is 208, while the number of cases exposed to radiation for 10 hours is 42, but cases they have thyroid disorders are the most vulnerable to rate radiation 10 hours