Peanut digging shovel applied to peanut harvester

The invention provides a peanut digging shovel applied to a peanut harvester. The peanut digging shovel comprises a shovel sheet, a fixed mounting plate and a connecting handle, one side of the shovel piece is connected with a blade part, the other side of the shovel piece is fixed to the connecting handle through the fixed mounting plate, and the end, away from the fixed mounting plate, of the connecting handle is connected with a rack of the peanut harvester; a plurality of soil discharging holes are formed in the shovel piece at intervals; an acute angle is formed between the inner side wall, forming the soil discharging hole, of the shovel piece and the lower surface of the shovel piece. The fixed mounting plate comprises an upper surface, a lower surface, a first right-angle side surface, a second right-angle side surface and an inclined side surface; the connecting handle is fixed on the first right-angle side surface, and a first preset angle is formed between the connecting handle and the fixed mounti