The national hydrological statistics is very important in making hydrology development plan and guiding the hydrological industry management in China. This paper made a comparative analysis of the important indicators of the development between the 10th “5-year plan” and 11th “5-year plan”, such as hydrological network, hydrology department’s floor space, practitioners, facilities and equipment, employed persons, funds investment and other indexes. The results show that the national hydrological network has got in reasonable distribution with observation items being complete and functions increased; The production and office space, investment in equipment and facilities have been increased, and the advanced equipment have been popularized; The hydrometry has been changed from the traditional way to the modern way. The number of the practitioners is growing, and their quality has been improving constantly; Hydrology funds investment has increased considerably.