Object the current radiological health situation of different ranks medical institutions of interventional radiology in a city of Pearl Delta. Methods all the medical institutions in the city, which had carried out interventional radiology before December 31, 2019 as the research objects by survey. By using the method of field epidemiological investigation, the basic situation of general messages, the status of protective facilities, environmental radiation does, personal protective equipment, occupational health monitoring were investigated. Results There were 12 interventional radiology equipment and 180 employees in 7 medical institutions in the city, before December 31, 2019. There was no statistical significance in the composition of employees of different ranks medical institutions (P > 0.05). There was no statistical significance in the composition of protective facilities for interventional treatment in different ranks hospitals (P > 0.05). The environmental radiation dose in interventional radiology devices room of grade A class 3 hospital was higher than that of grade A class 2 hospital (P < 0.05). There was no statistical significance in the composition of individual protective equipment for interventional therapy in different ranks medical institutions (P > 0.05). The proportion of occupational health examination before work and during work in grade A class 2 hospital was higher than A class 3 hospital (P < 0.01). Conclusion The current situation of radiological health of different ranks medical institutions of interventional radiology in a city of Pearl Delta was good momentum. It may be helpful to improve the radiological health protection level of interventional therapy in this city by strengthening the radiological protection management of applying for interventional therapy, actively carrying out the evaluation of radiological protection against occupational disease hazards in construction projects, and urging the employee to carry out the occupational health monitoring inspection as required.