The water resources in northern Shaanxi is shortage, along with the energy and chemical industry base construction, the contradiction between water supply and demand is getting more and more sharp. This paper analyzed water resources and its availability distribution regularity in northern Shaanxi and the change laws of water consumption and supply from 1980to 2010. According to the relevant planning goal and various industry water standard, it forecasted water demand of the area in future. Result shows that water demand in 2020and 2030is respectively 1.995billion m3and 2.765billion m3in northern Shaanxi. So the available water resources of 1.6billion m3at the present stage can''t meet the future requirement.