The present disclosure according to various embodiments provides a method and device including: a communication interface; a display; a memory; and a processor electrically connected to the memory, wherein the processor is configured to detect a communication event, search a one or more user accounts for a user account corresponding to the detected communication event, and when the user account corresponding to the detected communication event is in a logged-off state, background process the communication event, and when the corresponding user account is in a logged-on state, foreground process the communication event. In addition, other embodiments are also possible.