This essay is about the religious change that Jing-cult underwent 600-1500 A.D. It is a historical-critical essay based on literature studies, using Ha?kan Rydving?s theory of religious change. In chronological order, it will go through the religious change from ancient Japan to the late Muromachi-period when Shinto was created. It describes the early temple- cult, buddhism's mission to Japan and how the Jingikan was created.