An electronic device comprising a biosensor is disclosed. The electronic device comprises: the biosensor for acquiring bio-information related to a user; light-emitting circuitry comprising a first light source for outputting light including a designated band; a display panel comprising a second light source for outputting light including one or more pixels; and a processor, wherein the processor can check situation information related to the user, select the corresponding first light source and/or second light source on the basis of the situation information, and acquire the bio-information through the biosensor by using the selected at least one light source.