The invention discloses an unmanned aerial vehicle launch booster mounting base adjusting and installing platform. The unmanned aerial vehicle launch booster mounting base adjusting and installing platform mainly comprises a basic working platform, a gravity sensor module group, a supporting flat plate, a roll-over stand, a mounting base adjusting and installing mechanism and a calculating and controlling unit. The basic working platform is provided with the gravity sensor module group, the supporting flat plate is installed on the basic working platform through the gravity sensor module group, one end of the roll-over stand is movably connected with one end of the supporting flat plate in a hinged mode, the other end of the roll-over stand is connected with the supporting flat plate through a supporting driving mechanism, and the roll-over stand is provided with a supporting seat used for supporting an unmanned aerial vehicle; the mounting base adjusting and installing mechanism is in communication with a computer controlling unit through a cable. The unmanned aerial vehicle launch booster mounting base adjusting and installing platform can meet the installation requirement of booster mounting base of different types, the implementation cycle is short, the versatility is good, and the unmanned aerial vehicle launch booster mounting base adjusting and installing platform is very suitable for a mass production process of unmanned aerial vehicles.