Pastureland shelterbelt is a special kind of protective plantation. Its establishment is for improving the microclimate, increasing the forage grass yield and the quality on the pastureland, raising its carrying capacity and its productivity as well as its stability of grassland eco-economic systems. Because of its several function and effect, it is paid to more attention. This paper synthetically summaries its meteorological effect, its soil improvement effect, its living thing effect, economical effect an...