The design of project on integration and demonstration of water-saving agricultural comprehensive technological system was introduced.Based on adaptability and maneuverability of applied water-saving agricultural technology in the northwest half-humid region,the standardization technological system will be formed through selection,integration and demonstration on various water-saving techniques.(1) To assemble the technology of water-saving and construct the comprehensive water-saving demonstration zone based on the analysis of natural and social factors.(2) To supervise the change of water-savings in agriculture and zoology,and then evaluate their benefit.(3) To explore the directorial system and running method of the water saving agricultural demonstration zone.(4) To form a set of correspondingly intact integration and development mode of water-saving agricultural technology.Then the constructing,running and managing system of demonstration zoon,which contracts with the market economy,will be formed.And the method of evaluating the water-saving benefit and the system of supervising indexes will be constructed.