An electronic device according to various embodiments comprises: a display; a communication module; memory; and a processor operatively connected with the display, the communication module, and the memory. The processor can: obtain a frequency by detecting a pen event on the display; obtain at least one of switch information or a device ID by establishing communication with an electronic pen using the communication module; obtain an electronic pen connection record from the memory; determine the type of the electronic device on the basis of the device ID; determine the operation mode of the electronic pen on the basis of the switch information in the case that the switch information was obtained; and perform a predetermined function on the basis of at least one of the frequency, the electronic pen connection record, the type of the electronic pen, or the operation mode. Various other embodiments are possible.