核技术利用项目退役是指为部分或全部解除辐射安全监管控制而采取的拆除、去污、整备等一系列行动。《放射性同位素与射线装置安全和防护条例》、《放射性同位素与射线装置安全许可管理办法》等有关法规、标准对具体何种项目终结运行时须依法实施退役、退役的责任主体进行了明确[1-4]。退役对项目单位、具体实施者以及主管部门在专业技术、管理水平等方面有较高的要求。既要确保退役能达到预期的效果,同时也要确保退役的安全,尤其是退役过程 Retirement of a nuclear technology utilization project refers to a series of actions such as demolition, decontamination, and preparation for the partial or complete release of radiation safety regulatory control. Regulations on the Safety and Protection of Radioactive Isotopes and Radiators, Regulations on the Administration of Safety Permits for Radioisotopes and Radiators, and other relevant laws and regulations on the specific subjects for which the responsibility for decommissioning and decommissioning should be implemented legally -4]. Retirement of the project unit, the specific implementation of the competent departments in the professional skills, management and other aspects of the higher requirements. It is necessary to ensure that decommissioning can achieve the expected results while ensuring the safety of decommissioning, especially the decommissioning process