Artificial aforestatin has been confined by deficit of soil water on the pleteau area.Recent studied and practice show that the three essential technical measures to survival and fastgrow up atificial aforestation in the area are to improve the quality of land preparation,to collect sur-face run off by decrease deneity of aforestation and increase row space,and to use strong nurserystock.The only way to fulfil artificeal aforestation is to carry out the three essential technical mea-sures strictly.