PROBLEM TO BE SOLVED: To provide a levee builder for efficiently forming levee slope surfaces, a levee top surface and a levee bottom surface, which have strong fastening forces and beautiful finishing faces.SOLUTION: A levee builder 1 is constructed to comprise: a tillage rotary 31 having a tillage pawl 51 for digging the ground 5a of a crop land 5 and flipping up tilled soil G to a side outside B to form a mound G a front plate 33 for regulating and guiding the backward movement of the tilled soil G to the side outside B a swing plate 35 for pushing the surface of the mound A to form levee slope surfaces 7b and a levee top surface 7a a pushing-fixing member 36 for pushing the surfaces of the slopes 7b, or, the slopes 7b, the top 7a and the bottom 7c and a power transmission mechanism 39 for acquiring the power from a drive shaft 21 of a running vehicle 3 thereby to drive the tillage rotary 31, the swing plate 35 and the pushing-fixing member 36.
