PROBLEM TO BE SOLVED: To provide a radio control boat for weeding that eliminates the need for providing a rudder, is superior in turning back performance and operability by a simpler structure, can easily be steered even by an old agriculturalist, and can reduce a burden in the weeding work significantly.SOLUTION: A radio control boat for weeding 1 of the present invention has a boat body 3 with a receiving unit 2, a propulsion device 4 provided in the boat body 3, a weeding tool 6 provided in the stern 3a side of the boat body 3 and including a suspended chain 5, a turning propeller device 8 provided in the boat body 3 and including turning propellers 7a, 7b, and a controller 10 for controlling the turning propeller device 8 and the propulsion device 9.SELECTED DRAWING: Figure 2