目的　对医用电子加速器在内的放射装置投入使用前进行检测。方法　依据相关国家标准。结果　所测 5台医用加速器的性能指标及机房防护均符合国家标准。结论　从验收结果上看进口机性能并不优于国产机。医用加速器和机房设施可以投入使用 Objective To test the radiation device of medical electron accelerator before putting it into use. Methods based on relevant national standards. Results The measured performance of 5 sets of medical accelerators and room protection are in line with national standards. Conclusion From the acceptance results point of view imported machine performance is not better than the domestic machine. Medical accelerators and room facilities can be put into use