The invention belongs to the field of agricultural machinery and particularly relates to a conveying device of a bush-stumping machine; the conveying device is capable of enabling cut bushes to tilt to one side of the stumping machine through a conveying channel in sequence and to be stacked regularly for bush collection; the conveying device is simple in structure and high in transmission efficiency; the conveying device is used for conveying the bushes. Both a branch-collecting left guide plate and a branch-collecting right guide plate adopt V-shaped structures and are connected to the front end of a machine frame; the conveying channel is formed between the branch-collecting left guide plate and the branch-collecting right guide plate; a left transmission assembly and a rear transmission assembly are connected to the machine frame and positioned on one side, not in contact with the bushes, of the branch-collecting left guide plate; a right transmission assembly is connected to the machine frame and positioned on one side, not in contact with the bushes, of the branch-collecting right guide plate; a cutting saw head is connected to the machine frame and positioned under an inlet of the conveying channel formed between the branch-collecting left guide plate and the branch-collecting right guide plate; the cutting saw head is powered by a motor; a speed reducer is arranged between the cutting saw head and the motor.