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.