An electronic device and a controlling method of the electronic device include a display, a memory including at least one instruction, and a processor executing the at least one instruction. The processor controls the display to display a first screen including a first layer for performing writing according to a touch interaction of a user, and based on an event for displaying a content on the first screen occurring while the first screen is displayed, controls the display to display a second screen including a second layer for displaying the content on the first layer and a third layer for performing writing according to a touch interaction of a user on the second layer on some areas of the first screen.