Provided is a split-screen display method. The electronic device displays a first interface, and the first interface includes a first window and a second window. The first window displays a first application interface. The second window displays a second application interface. The first application interface belongs to a first application. The second application interface belongs to a second application. The first interface further displays a first control. In response to a trigger operation on the first control, the electronic device executes a control instruction triggered by the first control under the trigger operation via the second application.