The paper discusses several views on the periodization of Kizil Grottoes and points out that C14 test opens a new route for the study of the periodization of Kizil Grottoes.

• 摘要本文介绍了克孜尔石窟年代分期的几种意见，碳十四测定为克孜尔石窟年代分期研究开辟了新的途径。