Embodiments of the disclosure provide a multi-screen display method and a display device including a curved surface display screen. The method is applied to the display device and includes the following steps. Position information of a preset folding line defined in the curved surface display screen is obtained when screen is bent according to the preset folding line, wherein the preset folding line is a boundary between the two adjacent sub-curved surface display screens formed thereby. A display interface of the screen is divided into a plurality of display sub-interfaces according to the position information, wherein a screen splitting line between two adjacent display sub-interfaces coincides with the preset folding line. The display contents selected by the user in the plurality of display sub-interfaces are obtained; and the adjusted display contents are displayed in the display sub-interfaces.