Machine for reforming sloping field to terrace and earth boring

The utility model discloses a hole digger that can change a slope to a terrace and can dig tree holes. The terrace forming device which can move up and down comprises a fuselage of a walking tractor, a terrace forming device which is arranged at the front part of the fuselage, a hole digging device and a power output device which are fixed at the back side of the fuselage through a stent. The two output ends of the power output device are respectively connected with the terrace forming device and the hole digging device. The utility model is characterized in that a hanging frame is fixed at the front of the fuselage, and the terrace forming device is connected with the hanging frame through a connecting pin, and the terrace forming device is fixedly connected with a supporting frame, and the other end of the supporting frame is rotatablely connected with the fuselage. The utility model which can excavate and dump soil in one step and form a bund to hold rain in the slope has the function of digging tree holes, and the utility model is high in working efficiency, time saving, energy saving and convenient in use, and the terrace forming device can do positive and negative inversion, and the bidirectional excavation and dumping can be realized.