Disclosed is a wearable device including a touch screen and a processor configured to display an execution screen of a first application on the touch screen, receive a first input for simultaneously executing the first application and a second application related to the first application, and display a first execution screen corresponding to the execution screen in a first part of the touch screen and a second execution screen among a plurality of execution screens corresponding to the second application in a second part of the touch screen, different from the first part, in response to the first input, wherein the second part surrounds the first part.