An electronic brake system for a vehicle using an integrated sensor, comprising: a hydraulic block configured to distribute and supply a fluid to a wheel brake, and having a through-hole disposed on both sides of the hydraulic block to penetrate the hydraulic block ; a sensor module installed to be coupled to the through-hole at one side of the hydraulic block , wherein the sensor module includes a pedal sensor for sensing a linear displacement of a brake pedal and a motor sensor for sensing a position of a motor; and an electronic control unit installed on another side of the hydraulic block opposite to the sensor module , in order to determine a movement distance of the brake pedal, based on the linear displacement of the brake pedal sensed by the sensor module , and control rotation of the motor depending on the linear displacement of the brake pedal, wherein the pedal sensor comprises: an input rod connected to a connection unit, electrically connecting the sensor module to the electronic control unit through the through-hole of the hydraulic block , so as to be moved depending on movement of the brake pedal; a magnet provided at one end of the input rod so as to be moved depending on movement of the input rod ; and a sensor unit including a plurality of magnetic sensor elements configured to sense a variation of a magnetic field generated by the magnet in a plurality of planes which are perpendicular to each other. a hydraulic block configured to distribute and supply a fluid to a wheel brake, and having a through-hole disposed on both sides of the hydraulic block to penetrate the hydraulic block ; a sensor module installed to be coupled to the through-hole at one side of the hydraulic block , wherein the sensor module includes a pedal sensor for sensing a linear displacement of a brake pedal and a motor sensor for sensing a position of a motor; and an electronic control unit installed on another side of the hydraulic block opposite to the sensor module , in order to determine a movement distance of the brake pedal, based on the linear displacement of the brake pedal sensed by the sensor module , and control rotation of the motor depending on the linear displacement of the brake pedal, wherein the pedal sensor comprises: an input rod connected to a connection unit, electrically connecting the sensor module to the electronic control unit through the through-hole of the hydraulic block , so as to be moved depending on movement of the brake pedal; a magnet provided at one end of the input rod so as to be moved depending on movement of the input rod ; and a sensor unit including a plurality of magnetic sensor elements configured to sense a variation of a magnetic field generated by the magnet in a plurality of planes which are perpendicular to each other. an input rod connected to a connection unit, electrically connecting the sensor module to the electronic control unit through the through-hole of the hydraulic block , so as to be moved depending on movement of the brake pedal; a magnet provided at one end of the input rod so as to be moved depending on movement of the input rod ; and a sensor unit including a plurality of magnetic sensor elements configured to sense a variation of a magnetic field generated by the magnet in a plurality of planes which are perpendicular to each other. <EOS>