Marketing advertisement showing stand

The utility model discloses a marketing advertisement showing stand, the on -line screen storage device comprises a base, the upper end fixedly connected with support column of base, fixedly connectedwith polylith connecting plate I on the lateral wall of support column, I slope of connecting plate sets up downwards, connecting plate I is kept away from and is equipped with first recess on the one end lateral wall of support column, the top surface of first recess is equipped with the first through -hole of inside and outside intercommunication, and it is equipped with the worm to run throughin the first through -hole, the rotation was connected with spiral shell rasp bar on first recess was close to the one end inner wall of support column, spiral shell rasp bar goes up coaxial fixedlyconnected with worm wheel, the worm wheel sets up to be served near one of support column in spiral shell rasp bar, the worm wheel is engaged with the worm screw, spiral shell rasp bar goes up the screw and has cup jointed the