Abstract:Objective：Understanding the impact of exposure to low-dose ionizing radiation on the health status of medical radiation workers，and provide targeted recommendations and evidence for further improvement of radiation protection measures. Methods：The occupational health monitoring data of 825 medical radiation workers exposed to ionizing radiation in Huaian City in 2018 were statistically analyzed. Results：Compared with the control group，the abnormal rate of（WBC）count in peripheral blood leukocytes and the abnormal rate of（LY）count in lymphocytes were higher in the exposed group，that is，the difference was statistically significant（P < 0.05）. In terms of the abnormal rate of peripheral blood white blood cell（WBC）count，the difference was statistically significant due to different genders of medical radiation workers（P < 0.05）.There was significant difference in the abnormal rate of leukocyte（WBC）count among different types of work（P < 0.05）. Conclusion：Low-dose ionizing radiation can impair the health of medical radiation workers.for one thing，radiation workers should improve their self-protection awareness. For another，the monitoring of sensitive indexes and radiation protection should be strengthened.