The present disclosure provides a multi-screen video display method, a video display device, a computer apparatus, and a medium. The video display method includes: selecting in response to a first operation and a second operation of a user, a start point and an end point in a multi-screen control icon of a graphical user interface, and showing a sub-layout according to the start point and the end point, wherein the multi-screen control icon comprises multiple sub-icons, the sub-icons are objects respectively mapping sub-screens in the multi-screen display to the graphical user interface, and the sub-layout comprises all covered sub-icons from the start point to the end point; determining the sub-layout in response to a third operation of the user; and generating a video display template in response to a fourth operation of the user, and showing a video display on the graphical user interface.