Abstract: This paper expounds the necessity of quality control in the evaluation of occupational disease hazards from the construction project of radiation diagnosis and treatment. According to the relevant regulations and standards, the knowledge of radiation hygiene and the experience of evaluation, the key techniques for quality control in the main evaluation stages are put forward, including contract signing, Evaluation Program Preparation, data collection and audit, on-site investigation, on-site testing and evaluation report preparation. Radiation health technical service organizations can draw on the experience of other organizations and their own reality, develop effective quality control procedures and operational guidelines, to ensure the traceability of evaluation data and credible conclusions, in order to standardize the service behavior of radiation health technology and improve the quality control ability of provincial institutions.

Key words: Radiation therapy, Evaluation of construction projects, Quality control