Water and soil loss prevention and control device

The utility model relates to the technical field of water and soil loss prevention and control, in particular to a water and soil loss prevention and control device which comprises a first vertical plate, a fixing mechanism is arranged on the inner wall of the first vertical plate, and a fixing plate is clamped on the outer wall of the first vertical plate in a sliding mode. The bottom of a first vertical plate is pulled to move outwards, the first vertical plate drives second vertical plates on the two sides to move outwards through pin shafts, when the second vertical plates are located at the horizontal position, a fixing plate is clamped to the left sides of the second vertical plates, a threaded rod is manually driven to rotate reversely, the threaded rod drives a rolling wheel to move through a straight plate, and the rolling wheel extrudes an inclined plate to move outwards; an inclined plate compresses a first spring, meanwhile, the inclined plate drives a sliding plate to move outwards, the sliding p