A biosignal measurement apparatus capable of measuring a users biosignal in real time is provided, including a plurality of electrodes which are separated from each other and configured to measure a biosignal through contact with a users body and a sensing unit which is electrically connected to the electrodes and measures an electrical signal formed in a circuit connected to the electrodes, wherein the electrodes are also configured to be utilized as touch sensors for executing functions other than a biosignal measurement function of the biosignal measurement apparatus, and the biosignal measurement apparatus is configured to execute a different function according to whether the users body has touched the electrodes and a period of time during which the users body touches the electrodes.