The invention belongs to the technical field of culture propaganda, and particularly relates to a campus culture education propaganda device and a propaganda method.The campus culture education propaganda device comprises a displayer, a loudspeaker box and a protective cover, the loudspeaker box is installed at the top of the displayer, the protective cover is erected on the loudspeaker box, and a person exists in front of the displayer, so that treading and squeezing of an air bag are achieved; at the moment, air in the air bag is input into the first air tank, and the movable electrode plate is in contact with the trigger electrode plate in the lifting process, so that electrification of the display and display of a propaganda video can be realized, and when no person exists, the first piston automatically falls, the movable electrode plate is separated from the trigger electrode plate, and the display is powered off, so that the electric energy consumption is reduced, and the electric energy can be saved; when no one is in use, the electrode ball is in contact with the bass plectrum, low audio playing of the loudspeaker box can be achieved, noise pollution can be reduced when no one is in use, a quiet learning environment is guaranteed for a campus, manual operation is reduced, the automation capability is improved, and a better propaganda effect is achieved.