Abstract: Huang-Hui-Hai plain, situated at subhumid zone, covers an area of 350000km²., 2.04 million ha of which is blownsand land, accounting for 5.9% of total area. Amoung these blownsands sand dune occupies 38%,roded sandy land 42%,sand buried land 20%. In order to enlarge cultivated land area and ameliorate lowyield farmland to meet the increasing food requirement, the lnstitute of Desert Research, Academia Sinica conducted researches on the formation cause, features and utilization ways of blownsand lands. In the meanwhile various field experiments were carried out in yucheng area. It has proved that first priority was given to water conservancy in combination with afforestation, grass-crop rotation and comprehensive uses could achieve better economic, social and ecological benefits.