中文摘要：

对目前我国土地荒漠化的发展趋势进行了简要分析。针对目前荒漠化防治工作存在的一些问题及荒漠化发生发展的主要原因，提出了我国北方土地荒漠化防治的总体思路及优化模式。指出目前荒漠化防治工程中应充分尊重基本的生态学规律，实现荒漠化工程的可持续发展；同时应加强组织与管理，充分调动各方面的积极性，按照自上而下与自下而上相结合的模式开展荒漠化防治工作。

英文摘要：

The trends of desertifieation in China were briefly analyzed. Regarding the main challer,ges in combating desertifieation and driving causes of desertification development, the optimized regimes and general considerations for combating desertification in nnrth China were proposed. The basic ecological rules should he considered sufficiently in the program for combating descrtification to maintain sustainable development of ecological project. The organizations and management should be emphasized arid enthusiasm of different parts should be encouraged for more efficier, tworks, Up to down and down to up managing regimes should be efficiently combined for combating desertification in tuture.