| The paper illustrates current condition and existing problem in irrigated regions of China, explains main contents of water saving agriculture in irrigated regions, points out reference significance through the comparason of the United States and Japan with China about water saving agriculture and land use, land quantity, environment, irrigating area, land operating scale etc, analyzed deeply influence water saving agriculture land use. Putting forward some proposals, it emphasiz sustainable land use and sustainable development in irrigated regions through deepening irrigation management reforms, clarifying water property, working out scientific agricultural water resource plan, and enhancing the research on technical advancement in irrigation regions. All these measures can promote land sustainable use and sustainable development in irrigated regions. |