The system can receive polar-orbiting meteorological satellites such as the NOAA series of the United States and the FY series of China. The polar-orbiting meteorological satellite receiving and processing system of digital intermediate frequency receiving technology adopts advanced FPGA circuits to replace a large number of discrete components in the previous analog receiver, and uses software algorithms for demodulation and decoding, which greatly improves the stability and reliability of the receiver, reduces the threshold of demodulation, improves the receiving quality of cloud maps, and reaches the same technical level. The product is widely used in various arms of the army, meteorological departments, water conservancy departments, marine departments, agricultural and forestry departments, and earthquake departments. In addition, the system can add the function of receiving meteorological information broadcast by geostationary satellites.