In order to expedite the environment constmction on the loess plateau, it need to adhere to taking soil and water conser-vation as the core, to select and collocate the environment construction measures acc-ording to the special distribution laws of natural geographical environment, and the oneness of economic and eealcgic benefit in the process of environment construction. In addition, it is the essential assurance of environment constmction that to have the supports of proper and sustained policy and technology.