Technique and model for combating desertification in West China

5 series and 14 kinds of suitable techniques for combating desertification in West China have been concluded. The issues related to extension of combating desertification technique are indicated. The desertification combating models and their ecological and economic benefits in different climate zones are described. The technical models of building project of domestic animals drinking water by water collecting in polygon ground and solar energy desalination are also expounded.