A drone comprising: a main body (110, 210, 310, 410); a propulsor (120, 220, 320, 420) provided on an outside of the main body and configured to generate thrust, wherein the propulsor comprises a plurality of propellers; and an anti-torque compensator (130, 230, 330, 430, 530) configured to compensate for anti-torque of the main body generated by the propulsor when a failure occurs in the propulsor, wherein the anti-torque compensator is configured to maintain constant a yaw axis angular velocity of the main body within a predetermined target range through tilting of the propulsor, the drone (10, 20, 30, 40, 50) further comprising: a controller configured to control driving of the anti-torque compensator, wherein, when the failure occurs in the propulsor, the controller is configured to drive the anti-torque compensator to tilt the propulsor to maintain constant the yaw axis angular velocity of the main body, wherein the anti-torque compensator comprises: a fixed joint connected to any one of the main body or the propulsor; a rotation joint (132, 231, 431) connected to the other one of the main body or the propulsor; characterized in that the anti-torque compensator comprises: a spring configured to connect the fixed joint and the rotation joint, in that the controller is configured to tilt the propulsor through the rotation j oint and the spring when the yaw axis angular velocity of the main body exceeds a predetermined target value, further characterized in that the anti-torque compensator further comprises: a spring extension switch; and a spring extension angle stopper, and in that when the controller transmits an extension command to the spring extension switch, the spring is configured to rotate the rotation j oint to form a tilt angle between the main body and the propulsor, and the tilt angle of the rotation joint is set by the spring extension angle stopper. a main body (110, 210, 310, 410); a propulsor (120, 220, 320, 420) provided on an outside of the main body and configured to generate thrust, wherein the propulsor comprises a plurality of propellers; and an anti-torque compensator (130, 230, 330, 430, 530) configured to compensate for anti-torque of the main body generated by the propulsor when a failure occurs in the propulsor, wherein the anti-torque compensator is configured to maintain constant a yaw axis angular velocity of the main body within a predetermined target range through tilting of the propulsor, the drone (10, 20, 30, 40, 50) further comprising: a controller configured to control driving of the anti-torque compensator, wherein, when the failure occurs in the propulsor, the controller is configured to drive the anti-torque compensator to tilt the propulsor to maintain constant the yaw axis angular velocity of the main body, a controller configured to control driving of the anti-torque compensator, wherein, when the failure occurs in the propulsor, the controller is configured to drive the anti-torque compensator to tilt the propulsor to maintain constant the yaw axis angular velocity of the main body, wherein the anti-torque compensator comprises: a fixed joint connected to any one of the main body or the propulsor; a rotation joint (132, 231, 431) connected to the other one of the main body or the propulsor; a fixed joint connected to any one of the main body or the propulsor; a rotation joint (132, 231, 431) connected to the other one of the main body or the propulsor; characterized in that the anti-torque compensator comprises: a spring configured to connect the fixed joint and the rotation joint, in that the controller is configured to tilt the propulsor through the rotation j oint and the spring when the yaw axis angular velocity of the main body exceeds a predetermined target value, further characterized in that the anti-torque compensator further comprises: a spring extension switch; and a spring extension angle stopper, and in that when the controller transmits an extension command to the spring extension switch, the spring is configured to rotate the rotation j oint to form a tilt angle between the main body and the propulsor, and the tilt angle of the rotation joint is set by the spring extension angle stopper. a spring configured to connect the fixed joint and the rotation joint, in that the controller is configured to tilt the propulsor through the rotation j oint and the spring when the yaw axis angular velocity of the main body exceeds a predetermined target value, further characterized in that the anti-torque compensator further comprises: a spring extension switch; and a spring extension angle stopper, and in that when the controller transmits an extension command to the spring extension switch, the spring is configured to rotate the rotation j oint to form a tilt angle between the main body and the propulsor, and the tilt angle of the rotation joint is set by the spring extension angle stopper. a spring extension switch; and a spring extension angle stopper, and in that when the controller transmits an extension command to the spring extension switch, the spring is configured to rotate the rotation j oint to form a tilt angle between the main body and the propulsor, and the tilt angle of the rotation joint is set by the spring extension angle stopper.