A steering system comprising: a steering member; a turning mechanism that is mechanically disconnected from the steering member; a reaction motor configured to apply a reaction torque to the steering member; a turning motor configured to drive the turning mechanism; a steering torque detecting unit configured to detect a steering torque which is applied to the steering member; and a control unit configured to control driving of the reaction motor and the turning motor, characterised in that the control unit includes a manual steering angle command value setting unit configured to set a manual steering angle command value based on the steering torque, a first weighting unit configured to perform a weighting process on the manual steering angle command value in accordance with predetermined first information, a reaction combined angle command value calculating unit configured to calculate a reaction combined angle command value based on a reaction automatic steering angle command value and the manual steering angle command value weighted by the first weighting unit, a turning combined angle command value calculating unit configured to calculate a turning combined angle command value based on a turning automatic steering angle command value and the manual steering angle command value weighted by the first weighting unit, a reaction force control unit configured to cause a rotation angle of the reaction motor to conform to the reaction combined angle command value, and a turning angle control unit configured to cause a rotation angle of the turning motor to conform to the turning combined angle command value. a steering member; a turning mechanism that is mechanically disconnected from the steering member; a reaction motor configured to apply a reaction torque to the steering member; a turning motor configured to drive the turning mechanism; a steering torque detecting unit configured to detect a steering torque which is applied to the steering member; and a control unit configured to control driving of the reaction motor and the turning motor, characterised in that the control unit includes a manual steering angle command value setting unit configured to set a manual steering angle command value based on the steering torque, a first weighting unit configured to perform a weighting process on the manual steering angle command value in accordance with predetermined first information, a reaction combined angle command value calculating unit configured to calculate a reaction combined angle command value based on a reaction automatic steering angle command value and the manual steering angle command value weighted by the first weighting unit, a turning combined angle command value calculating unit configured to calculate a turning combined angle command value based on a turning automatic steering angle command value and the manual steering angle command value weighted by the first weighting unit, a reaction force control unit configured to cause a rotation angle of the reaction motor to conform to the reaction combined angle command value, and a turning angle control unit configured to cause a rotation angle of the turning motor to conform to the turning combined angle command value. characterised in that the control unit includes a manual steering angle command value setting unit configured to set a manual steering angle command value based on the steering torque, a first weighting unit configured to perform a weighting process on the manual steering angle command value in accordance with predetermined first information, a reaction combined angle command value calculating unit configured to calculate a reaction combined angle command value based on a reaction automatic steering angle command value and the manual steering angle command value weighted by the first weighting unit, a turning combined angle command value calculating unit configured to calculate a turning combined angle command value based on a turning automatic steering angle command value and the manual steering angle command value weighted by the first weighting unit, a reaction force control unit configured to cause a rotation angle of the reaction motor to conform to the reaction combined angle command value, and a turning angle control unit configured to cause a rotation angle of the turning motor to conform to the turning combined angle command value.