The climate of most loess plateau gully area is continental monsoon climate. It is hot , dry, sometimes rain-storm in summer, and cold, windy, occasionally snow in winter. The summer and the winter are much longer than the spring and the autumn. The land is bared, so the rain water cut it into gullies in the last five hundred years, so most villages are located in the gully slope, and the most houses are Yao-dongs covered with loess or extended into the loess hills. The brick arches snap at the bared hills in different height, and this is the distinctive scenes which are named ecological Yao-dong villages’ scenes in loess plateau. In this article, we will analyze and study several typical traditional gully slope Yao-dong villages from landscape architecture’s angle such as Shi-jia-gou village in Fen-xi county Shan-xi province, abstract her scene element and ecological genes, make the local environment changing better and more beautiful, make the gully slope Yao-dong villages developing sustainable.