A horizontal type display device includes a base unit, a first support unit, a display unit, a second support unit and a hinge unit. The base unit includes a base body. The first support unit includes a vertical support structure vertically disposed on the base body. The display unit includes a display screen disposed above the base body and beside the vertical support structure. The second support unit includes a horizontal support structure horizontally connected between the vertical support structure and the display screen. The horizontal support structure has a first end portion inserted and fixed in the vertical support structure. The hinge unit includes a hinge structure disposed inside the display screen and connected to a second end portion of the horizontal support structure. The view angle of the display screen can be adjustable through the hinge structure that is connected to the display screen.