Various embodiments of the present invention relate to a method for controlling a network access right for an application in an electronic device, and an electronic device for operating same. A control method for an electronic device comprises the steps of: receiving an input of a command for switching a mode of an electronic device to a blocking mode; and when a command for switching to the blocking mode is input, blocking a network access right of at least one application which has been preselected by a user from among a plurality of applications in the electronic device.