The invention discloses multifunctional aerostat meteorological support equipment. Comprising an L-band low-troposphere wind profile radar, an X-band Doppler weather radar, an automatic weather station, a weather satellite receiving system, a server, a display terminal, a three-dimensional electronic compass, a Beidou positioning navigation module, a transportation platform, a first 6-meter special-shaped electronic square cabin, a second 2-meter standard electronic square cabin, a first electric lifting rod, a second high-precision electric lifting rod, an automatic erecting system and the like. All the devices are highly integrated and installed at all positions of a transportation platform modified based on a military second-class chassis. The aerostat meteorological support forecasting system has the advantages of multiple observation means, good data fusion, high system integration degree, various deployment means, strong maneuverability and high forecasting accuracy, not only meets the requirements of more accurate aerostat meteorological support forecasting, multiple functions, high integration and simple operation, but also effectively improves the safety and reliability in the aerostat and load retracting and releasing and hang process.