Provided are a device and method for displaying association information associated with a first application and a second application. The method may include: presenting a list of applications executable by the device; receiving a user input of moving an icon of the first application, in the presented list of the applications, to an icon of the second application; obtaining the association information associated with the first application and the second application by using at least one piece of preset data corresponding to the icon of the first application, in response to the received user input; and presenting the obtained association information in a periphery of the icon of the second application.