The invention discloses a multifunctional display device for teaching, which comprises a base plate, support plates are fixedly installed on both sides of the upper surface of the base plate, and two first chute parallel to each other are opened on the inner wall of the support plate. A first display board and a second display board are respectively arranged therebetween. The first display board and the second display board are both slidably connected to the support board through the first slider inside the first chute, and the outer side of the left support board is fixedly installed. There is the first tightening bolt. In the present invention, by arranging a first display board, a second display board, a first winding drum, a curtain and a second winding drum, the curtain is wound in the first winding drum, and the teacher can normally use the display device for teaching. When using the projector for multimedia teaching, the second reel is driven to rotate by the servo motor, and the screen in the first reel is pulled out, so that multimedia teaching can be carried out, which increases the function of the display device, and is more convenient to use. Save time and effort.