Submerged aquatic plant culture planting and harvesting device

The utility model discloses a submerged plant cultivating, planting and harvesting device which comprises a submerged plant planting layer, a submerged plant cutting layer, an air cylinder power device, a submerged plant matrix layer, a telescopic automatic bouncing support and an inflatable leather bag. The submerged plant planting layer is arranged at the top of the device, and countless submerged plant planting grooves are uniformly distributed in the submerged plant planting layer; the submerged plant cutting layer is arranged below the submerged plant planting layer, and a plurality of cutting hole grooves are uniformly distributed in the submerged plant cutting layer; the cutting hole groove is overlapped with the submerged plant planting groove; the air cylinder power device is installed on the outer side of the submerged plant planting layer and connected with the submerged plant cutting layer through a connecting rod. The submerged plant substrate layer is arranged at the bottom of the device and use