The slow development of water resources information technology in Shaanxi Province is reflects in the four aspects of decentralized agency of information systems, incomplete infrastructure and low operating level, incomplete database and decision support system and lack of professionals and the shortage of funds. Aimed at these issues, the paper put forward a three -step strategy that are screening personnel and consolidating the foundation, universal application and unified management, innovation technology and leading the trend. First, talents should be introduced and the plan for upgrading stations should be made. Then an informatization system software platform should be set up, finally the 3S technology be introduced into the system. The paper plans out a full range of prospect and can provide reference for realizing water resources informatization in Shaanxi Province.