The utility model belongs to the technical field of the agricultural machine technique and specifically relates to a crop fertilizer placement drill, including the pipe that topdresses, the upper end of the pipe that topdresses is equipped with adds fertile device, and the lower extreme of the pipe that topdresses is equipped with the perforating device, and the perforating device is including fixing punch piece and the rotation piece that punches, the rotation is punched the piece and is connected with the pulling device, and the pulling device is including fixing the connecting rod on the piece is punched in the rotation, and the connecting rod is connected with the pull rod, and the pull rod rotates to be installed on the pipe that topdresses, and the pipe that topdresses closes on pull rod department and is equipped with the grab handle, and the pull rod is equipped with the driven section parallel with the grab handle, and pull rod and connecting rod junction are connected with unloader, unloader includes the lower flitch of being connected with the pull rod, and topdress pipe and the lower corresponding department in flitch position are equipped with spacing hole, and lower flitch passes spacing hole to topdressing intraductal extension, and lower flitch lies in the inner chamber that the pipe that topdresses was sealed totally to the intraductal part of topdressing, add fertile device including the mouth that topdresses, the lower extreme that topdresses mouthful is equipped with the volume flitch that the shutoff was topdressed mouthful. Fertilizer placement drill easy operation, fertilization effect is good, and it is high with the accuracy of measurement to apply fertilizer.