Fengyun-1 is a meteorological satellite developed by China Aerospace Science and Technology Corporation. It was launched by the Long March -4A carrier rocket at Taiyuan Satellite Launch Center on September 7th, 1988. It is the first generation of sun-synchronous orbit meteorological satellite in China. Fengyun-1 Meteorology is a series of polar-orbiting meteorological satellites in China, including FY- 1A satellite, FY- 1B satellite, FY- 1C satellite and FY- 1D satellite, which are mainly provided for meteorology, ocean, agriculture, forestry, water conservancy, aviation, navigation, environmental protection and other fields.