This paper is an initial analyzing about the culture characteristics of Japanese Shugendō. First of all, there is a brief introduce to the dividing schools, historic personage, doctrines, documents and the practices of Shugendō. Secondly, there is going to discuss the mountain belief nature of this religion. Next, is analyzing Shugendō's Buddhism、Shindō(神道) and Taoism constituents. Finally, expound its art character.By above data to point out the Shugendō's 'no doctrines base' complex culture characteristics.