Weihe River originates from the Niaoshushan in Weiyuan County, Dingxi City, Gansu Province, flows through Ningxia Hui Autonomous Region, and reaches the Yellow River in Tongguan County, Weinan City, Shaanxi Province. The river basin covers an area of 134,300 square kilometers, with a total length of 818 kilometers. As the largest tributary of the Yellow River, the Wei River plays a vital role in the high-quality development of the Yellow River basin. Since 2005, the Weihe River Basin has been included in the key management planning category by The State Council, and its ecological environment changes have attracted much attention. In order to promote the high-quality development of ecological protection in the Weihe River Basin, it provides necessary data support for related research. The data center organized efforts to comprehensively collect, process and sort out the basic environmental data, thematic data and statistical data of the Weihe River Basin. Among them, all kinds of statistical data mainly come from statistical bulletins, and through electronic processing, data analysis, data cleaning and other quality control and reprocessing, the final form of high-quality development of systematic data in the Weihe River Basin. Data for this topic include: Weihe River Basin basic geographic data, remote sensing thematic data, soil data, natural state statistics, water environment statistics, atmospheric environment statistics, solid waste statistics, natural ecological statistics, land use statistics, forestry resources statistics, natural disasters and emergencies statistics, environment and investment statistics, urban environment statistics There are 40 data sets in 16 categories, including environmental status statistics, rural environmental status statistics, meteorological station monitoring (daily) data, and air quality monitoring (daily) data.