Water-storage breathable seedling tray

The utility model discloses a water storage breathable seedling tray which comprises a tray body, a plurality of edge protrusions are fixedly connected to the four edges of the tray body, edge grooves are formed among the side walls of the edge protrusions, seedlings are placed in built-in grooves formed by a plurality of built-in protrusions, then the tray body on the upper layer is placed on the tray body on the lower layer, the bottom walls of the two sides of each frame groove are loaded in the edge grooves, and the seedlings are placed in the edge grooves. The air holes of the upper layer tray body and the air holes of the lower layer tray body vertically coincide with each other, at the moment, the water blocking piece on one side of the blocking piece in the upper layer tray body is attached to the inner wall of the drainage hole in the lower layer tray body in a sealed mode, water in the tray body is blocked, and if the water in the tray body is too much, the upper layer tray body is lifted, and the w