Abstract: The distribtive charcteristics, causes and controlling measures to blown sands disasters along the railway in Hami Area,Xinjiang are ane analyzed. It is concluded, by the ground observasion of force 12 winds on the Beaufort scale taken place on 19th-20 May 1986,that along the railway tracks on sand terraces, arenaceous gobi and hammocks, the distribution, risk, forming process and preveting measures of sand disasters are completely interreated to the surface textures, the motion of blowns ands and topographic features. By the summerization of the observation of the disasters on 19th_20th May 1986, some concrete meaures have been prposed under the priciples of" establishing preventives to the disaters and developing measures suit to the local conditions in the viewpoints of ecomic results and long-term reiability'.