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人与自然是形成河西大廊土地沙深化的主导因素，无论在历史时期还是在现代沙漠化进程中，自然始终是沙漠化的潜在因素，而人是活跃的诱导因素。河西沙漠化土地主要可以划分为灌丛沙堆、流动沙丘及风蚀地３种类型，其分布呈片状，互不连接。提出防治土地沙漠化的途径。
Human and nature are the dominant factors that lead to the deepening of sandy land in Hexi Corridor. Natural or natural factors are always the potential factors of desertification in history or in the process of desertification. And people are the active inducing factors. The desertified land in Hexi area can be divided into three major types: shrub sand dune, mobile sand dune and wind eroded land. Its distribution is flaky and not connected with each other. Put forward ways to combat desertification.