The invention discloses a dispersed float collecting rake for a float clearing boat, which comprises a base, a main arm and a first hydraulic cylinder, wherein one end of the main arm is hinged with the base, one end of the first hydraulic cylinder is hinged with the base, and the other end of the first hydraulic cylinder is hinged with an arm body of the main arm; the dispersed float collecting rake also comprises a middle arm, a grabbing rake arm, a grabbing rake, a second hydraulic cylinder and the third hydraulic cylinder; one end of the second hydraulic cylinder is hinged with the arm body of the main arm, while the other end is hinged with one end of the middle arm; an arm body of the middle arm is hinged with the other end of the main arm; one end of the third hydraulic cylinder ishinged with the arm body of the middle arm, while the other end is hinged with one end of the grabbing rake arm; and an arm body of the grabbing rake arm is hinged with the other end of the middle arm, the front end of the grabbing rake arm is rotationally connected with the grabbing rake, the grabbing rake arm is provided with a motor, an output shaft of the motor is connected with a driving gear, the driving gear is engaged with a driven gear, and the driven gear is in transmission connection with the grabbing rake. The dispersed float collecting rake has high work efficiency, and can thoroughly clear sundries or garbage on side of a shore.