Soil sampling device

The invention discloses a soil sampling device. A main body of the device comprises an accommodating part, wherein a sampling part is arranged below the accommodating part, and the sampling part and the accommodating part jointly form a unified space; a dial gauge is arranged on one side of the accommodating part, one or more through holes are formed in the other side of the accommodating part; transverse plates are arranged both at the upper end and the lower end on one lateral surface of the accommodating part and connected with the lateral surface of the accommodating part through a pin shaft, and can rotate around the lateral surface of the accommodating part; convex parts are arranged at one end to the other end of each transverse plate; the soil sampling device comprises a sampling plate, one or more sleeves are arranged on the lateral surface of the sampling plate, and each sleeve is corresponding to one through hole; grooves which slide by being matched with the convex parts are formed both in the low