医用直线加速器是放射治疗恶性肿瘤的重要设备，随着放疗技术团更精确化的方向发展，对加速器有了更高的要求，全县放疗、术中放疗、立体定向放疗等，使加速器利用率大大提高。加速器的正常运转，直接影响到医院对患者的综合治疗。笔者从事了十多年加速器的维修工作，结合实践 The medical linear accelerator is an important device for radiotherapy of malignant tumors. With the development of more accurate radiotherapy technology groups, there is a higher demand for accelerators. The county radiotherapy, intraoperative radiotherapy, stereotactic radiotherapy, etc., make accelerator utilization Greatly improve. The normal operation of the accelerator directly affects the hospital’s comprehensive treatment of patients. The author has been engaged in maintenance work for more than a decade of accelerators, combined with practice