Abstract: A lot of drifting sand disasters are distributed along Qinghai-Tibet railway line Geermu-Lasa section, especially crossing Yangze river source region near many river zone, arid grassland and nearly lake area. The paper made analysis for natural condition, distribution arrange, drifting sand disasters reason and engineer protection result through drifting sand zone. Put forward advance meaningful suggestion for long period controlling drifting sand such as engineering protecting measures, plant controlling drifting sand and setting up specially railway line area.