中文摘要：

介绍了同步辐射X射线在医学成像、放射治疗等领域的研究进展，以及同步辐射X射线与传统X射线相比具有的优异性能。基于高亮度、高准直性的同步辐射硬X射线，能够实现许多普通光源不可能完成的诊断和治疗，未来具有极大的临床应用前景。

英文摘要：

Research progress of synchrotron radiation X-ray technology on medical imaging and radiotherapy, and the excellent performances over conventional techniques are introduced. With the higher collimation and higher sensitivity than the conventional techniques, this promising technology has the great potential for clinical application in the future.