The invention relates to a stereo garage safety monitoring system and belongs to the technical field of stereo garages. The stereo garage safety monitoring system comprises a stereo garage, a programmable controller, a pressure monitoring unit, a judgment unit and a processor as well as a monitoring device and an image acquisition unit connected with the programmable controller, wherein the pressure monitoring unit is arranged on a vehicle storage rack for parking vehicles in the stereo garage; the pressure monitoring unit is connected with the judgment unit; the judgment unit is connected with the processor; the processor is connected with the programmable controller; the image acquisition unit is arranged on the vehicle storage rack; and the programmable controller is connected with a touch screen. The stereo garage safety monitoring system provided by the invention has the characteristics of being stable in operation, convenient to mount and operate, high in reliability, convenient to maintain and use, low in construction cost and the like.