The utility model discloses a with soil nutrition research techniques field, concretely relates to soil nutrients normal position is cultivateed and sampling device, including guide and tube -shape film, the section of thick bamboo wall of guide is bilayer structure, tube -shape film clamp is between the two -layer section of thick bamboo wall of guide, and the lower extreme of tube -shape film stretches out from the guide lower extreme, is equipped with the barb on inboard that should the section of stretching out tube -shape film and/or the outside face, when the guide inserts soil, the section of stretching out tube -shape film turns over to the inlayer section of thick bamboo wall of guide or outer section of thick bamboo wall, when extracting in soil is followed to the guide, the barb on the section of the stretching out tube -shape film can catch on soil, makes the tube -shape film leave over in soil. The utility model discloses can make the soil sample keep apart with other soil in the original place, then train research, whole process can not lead to the fact destruction to peripheral soil, not only is favorable to natural environment's protection, can improve soil sampling efficiency greatly in addition.