Efficient cultivation device for sweet potato seedling culture

The utility model discloses a sweet potato seedling efficient cultivation device which comprises a cultivation frame, a plurality of waste liquid recovery discs are fixedly installed on the cultivation frame from top to bottom in sequence, a plurality of sets of sliding grooves are formed in the inner sides of the two side walls of the cultivation frame from top to bottom in sequence, and each set of sliding grooves is located in the top of the corresponding waste liquid recovery disc and connected with a supporting plate in a sliding mode. A plurality of containing grooves are formed in the top face of the supporting plate, cultivation cups are placed in the containing grooves, the cultivation cups and the containing grooves are communicated with the waste liquid recycling disc, a water and fertilizer box and a water pump are installed on the top of the cultivation frame and communicated through a water pipe, and a main pipeline is fixedly connected to the water pump and fixedly installed on the side wall of