Submerged plant soil fixation culture device

The invention discloses a submerged plant soil fixation culture device. The submerged plant soil fixation culture device comprises a supporting frame and a cultivation body, wherein the supporting frame comprises a bottom plate, both ends of the bottom plate are respectively connected with a left bracket and a right bracket, the left bracket and the right bracket both comprise automatic telescopicrods, first transverse rods and second transverse rods; the cultivation body comprises a breeding layer and a nutrition supply layer, the breeding layer comprises a first spongy layer, a second spongy layer and a ring of grilling fence, the grilling fence comprises a framework and geotextile, and the nutrition supply layer comprises a plurality of air bags and a nutrition solution; the submergedplant soil fixation culture device is further provided with a PLC, a camera and an opto-sensor. The provided submerged plant soil fixation culture device has the advantages of effectively preventing the loss of soil, having a