The Muti Temple-Caves(The Temple-Cave with Wooden ladder) at Wushan County Gansu Province have been constructed during the period of The Tang and The Song Dynasty,and construction project had continued to The Yuan Dynasty,until The Qing and the early 20th century,reaching a high peak in opening new grottoes and making sculptures.Among them,those existing grottoes opened at The Song Dynasty and some The Ming and Qing Dynasty’s caves have much academic value in study of Buddhist developing history and its way of popularizing Buddhism in the southern area of Gansu province especially to the period of the later Song Dynasty onwards.This investigation bulletin will offer comprehensive detail information of the site.