随着肿瘤放射治疗事业的发展和高精尖的科学技术应用于临床 ,质量保证(QA)和质量控制 (QC)日益完善 ,并受到肿瘤放疗学界的重视 ,QA、QC的水平体现着肿瘤放疗的水平。放射治疗的QA、QC是指经过周密计划和必要措施保证放射治疗的整个过程准确安全执行。对于所使用的放疗设备的检 With the development of cancer radiotherapy and the application of sophisticated science and technology in clinical practice, quality assurance (QA) and quality control (QC) have become more and more consummate, and received much attention from the field of oncology and radiotherapy. The levels of QA and QC reflect tumor radiotherapy s level. Radiotherapy QA, QC refers to the careful planning and necessary measures to ensure the accurate and safe implementation of the whole process of radiotherapy. For the use of radiotherapy equipment seized