The invention discloses a lotus seed core drilling machine. The lotus seed core drilling machine is characterized by comprising a stand, a hopper, a plurality of core removing devices, a driving belt pulley, a driven belt pulley, a transmission belt, a material press belt, a material press belt pulley, a material conveying disc, a drive chain wheel, a driven chain wheel and a conveying chain; each core removing device comprises a substrate, a drill rod, a drill bit and a pulley wheel; the substrate is provided with lotus seed grooves and belt pulley holes, the drill rod is inserted in a drill rod hole and connected with the drill bit, and the belt pulley is connected with the drill rod; a spring is arranged between the drill rod and substrate; the core removing devices are arranged on the chain, and the material conveying disc is provided with a cam mechanism, the transmission belt and the material press belt; the transmission belt is compressed on the belt wheels of the core removing devices, and the material press belt is corresponding to aligning holes of the core removing devices. The lotus seed core drilling machine uses mechanical automatic work to automatically remove lotus seed cores, enables the production efficiency to be improved, and enables the labor force to be saved. The lotus seed core drilling machine is simple and compact in structure, is low in cost and overcomes the disadvantage of bad safety of manual work.