An electronic device is provided. The electronic device includes a housing, a nib which is disposed in the housing, includes a pen tip protruding to the outside through the second end, and includes a dielectric coil wound multiple times therein, a printed circuit board electrically connected to the dielectric coil, a board seating part which is at least partially coupled to the nib and in which a printed circuit board is seated, an elastic member seating part disposed in the housing such that the elastic member seating part and the board seating part are at least partially fitted to each other, and an elastic member disposed between the elastic member seating part and the board seating part, when the nib is pressed in a direction toward the inside of the housing by the pen pressure, the pen pressure is transmitted to the elastic member via the board seating part.