A dual display device is provided, which includes a housing, a first display screen, a flexible display screen, and a rotating assembly. The housing includes a plurality of vertical walls and a bottom wall, the plurality of vertical walls include a second vertical wall. The first display screen is mounted in the housing at a first predetermined distance from the bottom wall, and a first edge of the first display screen is spaced apart from the second vertical wall by a second predetermined distance. The rotating assembly is rotatably disposed in an opening in an axial direction of the rotating assembly.