A method and device for controlling a screen displayed on a display of an electronic device are provided. Aspects include displaying, on a first region of the display, a host window corresponding to an application run on the electronic device. Aspects also include displaying the first dependent window on a second region of the display corresponding to the first region based at least in part on a call of a first dependent window among dependent windows that are dependent on the host window. Aspects further include stacking and displaying, on the second region, a second dependent window among the dependent windows based at least in part on an event occurring in the first dependent window. Aspects further include initializing window display on the second region based at least in part on an event occurring in the host window.