Abstract: With development of engineering technology and improvement of people′s requirements for living and working environment，construction of water conservancy project needs to have higher standards and requirements，and irrigation and water conservancy project has received more attention from relevant departments.Construction of farmland water conservancy project is very important to development of agriculture in our country.Construction of project should be paid attention and its quulity should be contrdled strictly.Shortage of water resources is a common problem facing all countries in the world.Human production and life can not be separated from water，especially agricultural irrigation.Present situation of water resources and irrigation technology were analyzed，and corresponding countermeasures were put forward.