The utility model discloses a cave device is dug in agricultural seeding, including frame and the wheel of connection at the frame downside, the frame front end is provided with horizontal spout side by side, horizontal spout the place ahead is equipped with the horizontal stand, the horizontal stand passes through the U type groove and the cooperation of horizontal spout of side, horizontal stand upper surface even spacing distribution has half through -hole, the horizontal stand side direction is equipped with ganged rotation motor, rotate the motor and pass through bolt and half through -hole fixed connection, rotate the motor and pass through transmission shaft connection rotary drill head, the frame rear end is connected with chargeable call, rotate motor, chargeable call each with the controller electric connection of frame upper end. The utility model discloses providing power by chargeable call, driving the rotary drill head and dig the hole operation through rotating the motor, it is the degree of depth and the interval in the nimble adjustment hole of digging as required, and small, operation is not succinctly restricted by the topography, and low in manufacturing cost is honest and clean, easily promotes on a large scale.