A display processing method and a display processing device are described. The method includes receiving a first gesture operation on a touch display region of an electronic device, when a first application interface of a first application installed in the electronic device is displayed in the touch display region; determining whether the first gesture operation satisfies a first predetermined condition or not; generating a first sub interface to be displayed in a first sub region of the touch display region and a second sub interface to be displayed in a second sub region of the touch display region when it is determined that the first gesture operation satisfies the first predetermined condition; and displaying the first sub interface in the first sub region, and displaying the second sub interface in the second sub region.