Through the introduction of basic situation of hydrologic station along Jinghe Rever and its larger tributaries, the paper demonstrated the rationality of choosing Yangjiaping station along the main channel of Jinghe River, Malian River station of the largest branch and Yuluoping station as the control stations of Jinghe River water into Shaanxi; On this basis, it decided that the ecological water requirements of sections of Yangjiaping station and Yuluoping station are 0.66 billion,0.397 billion m3 by using Tennant method and sediment content outsourcing line, the results can be refered for some relative departments.