According to various embodiments of the present invention, an electronic device comprises a display panel including a touch sensor, and a processor, wherein the processor can be configured to: acquire a user input inputted in a designated area of the display panel through the touch sensor; identify a pattern corresponding to the form of the user input; perform a designated operation based on the user input when the pattern corresponds to a first designated condition; check the time during which the user input is maintained with respect to the designated area when the pattern corresponds to a second designated condition; determine the designated area as an ineffective input area on the basis of checking for whether the time corresponds to a designated time range; and ignore the user input inputted through the ineffective input area, or another input related to the user input. In addition to the various embodiments disclosed in the present invention, other various embodiments are possible.