Abstract: A model of water-saving agriculture was conducted for four years in the water-deficit and salinized area in Nanpi county.The model was generalized as follows:Setting up an agricultural water-saving planting structure;putting forward an optimized allocation scheme for agricultural water resources;setting up a complete set of water-saving engineering with the combination of deep and shallow wells and the mixed using of the salt and fresh water;perfecting a complete set of agricultural water-saving high yield techniques,centering on varieties、fertilizers、cultivation、tillage and chemical substance application. Through the last four year practice,remarkable economic social and ecological benefits have been achieved in this type of region.This not only has an impotant practical value but also has broad prospects for spreading and application.