Depth-measurable soil sampler for shallow soil layer

The utility model relates to the technical field of soil sampling, and discloses a depth-measurable soil sampler for a shallow soil layer, which comprises a shell, a handle fixed on one side of the shell, a rubber layer adhered on one side of the handle, a connecting shaft rotationally connected with the other side of the shell through a bearing, a flange connected with one end of the connecting shaft, and a worm wheel fixed on the other end of the connecting shaft, a handle is rotated to drive a connecting rod and a third rotating shaft to drive a worm to rotate, under the cooperation of the worm and a worm gear, the worm gear drives a connecting shaft to rotate, the soil drilling pipe can conveniently drill into soil, the depth in the soil sampling pipe is accurately measured through a measuring ruler, then the soil sampling pipe is split in the axis direction through a pipe splitting tool, and the soil sampling pipe can be conveniently drilled out. The soil in the soil sampling tube is taken out and bagged