An apparatus for processing a biosignal, comprising: a bio-electrode , the bio-electrode being configured to measure a biosignal of a user, the biosignal comprising a motion artifact, and to measure a motion signal corresponding to the motion artifact, and a signal measurement and processing unit configured to remove the motion artifact from the biosignal using the motion signal; wherein the bio-electrode comprises: a first electrode configured to measure the biosignal; at least two second electrodes configured to measure the motion signal corresponding to the motion artifact, the at least two second electrodes being disposed symmetrically to each other and centered around the first electrode; and an electrical connection unit configured to electrically connect one of the at least two second electrodes to another one of the at least two second electrodes; characterized in that the apparatus is configured to measure an electrical potential difference at different positions using the at least two second electrodes; and the electrical connection unit is further configured to block the biosignal of the user from being measured or transferred when measuring the motion signal, by connecting both sides of a transfer path of the motion signal through the one of the at least two second electrodes and the other one of the at least two second electrodes, respectively, to the signal measurement and processing unit . a bio-electrode , the bio-electrode being configured to measure a biosignal of a user, the biosignal comprising a motion artifact, and to measure a motion signal corresponding to the motion artifact, and a signal measurement and processing unit configured to remove the motion artifact from the biosignal using the motion signal; wherein the bio-electrode comprises: a first electrode configured to measure the biosignal; at least two second electrodes configured to measure the motion signal corresponding to the motion artifact, the at least two second electrodes being disposed symmetrically to each other and centered around the first electrode; and an electrical connection unit configured to electrically connect one of the at least two second electrodes to another one of the at least two second electrodes; a first electrode configured to measure the biosignal; at least two second electrodes configured to measure the motion signal corresponding to the motion artifact, the at least two second electrodes being disposed symmetrically to each other and centered around the first electrode; and an electrical connection unit configured to electrically connect one of the at least two second electrodes to another one of the at least two second electrodes; characterized in that the apparatus is configured to measure an electrical potential difference at different positions using the at least two second electrodes; and the electrical connection unit is further configured to block the biosignal of the user from being measured or transferred when measuring the motion signal, by connecting both sides of a transfer path of the motion signal through the one of the at least two second electrodes and the other one of the at least two second electrodes, respectively, to the signal measurement and processing unit . <EOS>