The state,local governments and the benefited peasant households constitute the main body of construction of rainwater collection and irrigation saving engineering.Different projects of rainwater collection and irrigation saving should correspond to different bodies of construction,different management modes and different forms of construction rights.The principle should be that the person who constructs it has the right to use it,and the person who manage it has the responsibility to maintain it.Insistence on the principle can guarantee the quality of projects and their continouse use