PROBLEM TO BE SOLVED: To solve problems that it is desired to make a small-scale, inexpensive and easily treatable weed trimmer having a simple structure and a small-horsepower specification, enabling the weeding of a levee, and having twice efficiency of a conventional weed cutter.SOLUTION: In the weed trimmer, a front reaping and throwing-out device having a rotary throwing-out body arranged at an upper side of a rotary reaping blade is arranged at the front-side position, and rear reaping and throwing-out devices having rotary reaping blades rotating from the other sides of the machine body to the center of the machine body, and a rotary throwing-out device arranged at upper part of the rotary reaping blades are arranged at the positions slightly rear side of the front reaping and throwing-out device at the right and left other sides of the body front part of the traveling machine body. The reaped products are drawn to the center of the machine body from the right and left by the front and rear reaping and throwing-out devices at the one side position and the other side position, are gathered and bundled from the center of the machine body to the rear side and are subjected to laying down treatment.