Soil sampling and storing device

The soil sampling and storing device comprises a heating box, a classifying box and an indicating frame, the heating box comprises a box shell and guide frames, the guide frames are symmetrically arranged at the upper end and the lower end of the inner side face of the box shell, the classifying box is installed in the middle of the box shell and rotationally connected with the box shell, and the indicating frame is connected with the classifying box. The indicating frame is installed on the upper end face of the classification box and detachably and fixedly connected with the classification box, the guiding frame is arranged in the middle of the box shell, the classification box can be conveniently installed through the guiding frame, and a user can conveniently and flexibly install and disassemble the classification box. Meanwhile, during use, the operating rod can be held by hand to rotate the indicating frame so as to adjust different material storage barrels to correspond to the feeding pipe, so that a u