By a careful study of all of two main types of the Northern Dynasties’ caves in Mogao Grottoes: the meditation cave and the cave with the central pillar and making a comparative study extensively to those of the same types and belong to the same chronology time that were found not only in other places in the central plain of China, but in the Central Asia, India as well, this article attempts to discussing the origin source of the two construct style that were present popular in Dunhuang Grottoes. At the same time, this article have clarified that the construct style of the two types of Dunhuang Grottoes had once received strong influence under the India and The Central Asia, and it had also showed the strong traditional trend of Hexi Corridor Buddhist style, and had set forth the new element into the creation of Buddhist grottoes art at Dunhuang.
