以我国水土流失重点区域北方农牧交错区为研究对象，分析其特点、功能，并选取该区域内3个水土流失治理典范砒砂岩丘陵沟整区、毛乌素沙地和武川县为例，分析了北方农牧交错区的水土保持措施。

There are many water and soil loss areas in China， but because of the transitional characteristic of all natural factors in agro-pastoral ecotone makes this kind of research is of great importance. This paper takes China north agro-pastoral ecotone as a research object， analyze it's features， functions and pick soft rock gully area、MuUs sandy land and WuChuan country these 3 models， state the water and soil control.

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