The utility model discloses a network security propagates device, including the device main part, the device main part comprises two post stand jointly, post stand comprises first connecting seat, transparent door plate, show board and second connecting seat jointly, transparent door plate and show board all are located between first connecting seat and the second connecting seat, and transparentdoor plate and second connecting seat pass through the hinge rotation and be connected, the inside embedding of show board has the magnetic sheet, and demonstrates and install the bull stick mount padon one side outer wall of board, the bull stick mount pad is provided with two altogether, the utility model discloses set up post stand, first connecting seat and second connecting seat, should propagate the device and have two kinds of using -way of two -sided show and single face show, according to the propaganda needs of difference, can form different display mode with the combination of thedevice main part, vertically installed two post stand, can form two -sided show, with two post stand transverse connection, can form the single face show.