A corner module apparatus for a vehicle, comprising: a driving unit configured to provide drive power to a wheel; a braking unit configured to interfere with rotation of the wheel and to generate braking power; a suspension unit connected to the driving unit and configured to absorb shock transferred from a road surface; and a steering unit connected to the suspension unit and configured to adjust a steering angle of the wheel, wherein the steering unit comprises: a first steering main body fixed to a frame module; a second steering main body supported on the first steering main body in a manner that is rotatable on a steering axis, and connected to the suspension unit ; and a steering driving unit installed on the first steering main body and configured to rotate the second steering main body relatively to the first steering main body , and characterized in that . the steering driving unit comprises: a steering actuator coupled to the first steering main body and configured to generate rotatory power; and a drive power transfer module configured to rotate the second steering main body in conjunction with the rotatory power generated from the steering actuator . a driving unit configured to provide drive power to a wheel; a braking unit configured to interfere with rotation of the wheel and to generate braking power; a suspension unit connected to the driving unit and configured to absorb shock transferred from a road surface; and a steering unit connected to the suspension unit and configured to adjust a steering angle of the wheel, wherein the steering unit comprises: a first steering main body fixed to a frame module; a second steering main body supported on the first steering main body in a manner that is rotatable on a steering axis, and connected to the suspension unit ; and a steering driving unit installed on the first steering main body and configured to rotate the second steering main body relatively to the first steering main body , and characterized in that . the steering driving unit comprises: a steering actuator coupled to the first steering main body and configured to generate rotatory power; and a drive power transfer module configured to rotate the second steering main body in conjunction with the rotatory power generated from the steering actuator . a first steering main body fixed to a frame module; a second steering main body supported on the first steering main body in a manner that is rotatable on a steering axis, and connected to the suspension unit ; and a steering driving unit installed on the first steering main body and configured to rotate the second steering main body relatively to the first steering main body , and characterized in that . the steering driving unit comprises: a steering actuator coupled to the first steering main body and configured to generate rotatory power; and a drive power transfer module configured to rotate the second steering main body in conjunction with the rotatory power generated from the steering actuator . a steering actuator coupled to the first steering main body and configured to generate rotatory power; and a drive power transfer module configured to rotate the second steering main body in conjunction with the rotatory power generated from the steering actuator . <EOS>