A flaskless mold making apparatus comprising: two pairs of upper and lower molding flasks, each pair consisting of an upper molding flask and a lower molding flask; a flask turning mechanism for turning the two pairs of upper and lower molding flasks to move the two pairs of upper and lower molding flasks into two stations consisting of a mold making station and a mold extraction station; a match plate insertable into and retractable from between the upper and lower molding flasks located in the mold making station out of the two pairs of upper and lower molding flasks; a pair of squeeze plates (7, 8) configured to be inserted into respective openings of the upper and lower molding flasks with the match plate in between, the match plate having been inserted into between the upper and lower molding flasks, so as to form an upper making space and a lower making space; a sand tank having a pair of sand introducing nozzles (9a, 9b) for charging the upper making space and the lower making space respectively with sand; a squeeze mechanism for squeezing mold sand having been charged into the upper making space and the lower making space; an extracting mechanism provided in the mold extraction station and configured to extract an upper mold and a lower mold formed in the upper and lower molding flasks having been moved into the mold extraction station by the flask turning mechanism, in a superimposed state from the upper and lower molding flasks; and characterized in that a hole forming mechanism provided in the mold extraction station and configured to form a hole or a plurality of holes in the mold in the upper molding flask out of the upper and lower molding flasks having been moved into the mold extraction station, wherein the hole forming mechanism has a drill member or a plurality of drill members for drilling the upper mold from top thereof, wherein the extracting mechanism has a pushing member configured to push the upper mold in a superimposed state on the lower mold downward to extract the upper mold and the lower mold in the superimposed state from the upper and lower molding flasks, and wherein the pushing member is provided with a penetration opening through which the drill member can penetrate. two pairs of upper and lower molding flasks, each pair consisting of an upper molding flask and a lower molding flask; a flask turning mechanism for turning the two pairs of upper and lower molding flasks to move the two pairs of upper and lower molding flasks into two stations consisting of a mold making station and a mold extraction station; a match plate insertable into and retractable from between the upper and lower molding flasks located in the mold making station out of the two pairs of upper and lower molding flasks; a pair of squeeze plates (7, 8) configured to be inserted into respective openings of the upper and lower molding flasks with the match plate in between, the match plate having been inserted into between the upper and lower molding flasks, so as to form an upper making space and a lower making space; a sand tank having a pair of sand introducing nozzles (9a, 9b) for charging the upper making space and the lower making space respectively with sand; a squeeze mechanism for squeezing mold sand having been charged into the upper making space and the lower making space; an extracting mechanism provided in the mold extraction station and configured to extract an upper mold and a lower mold formed in the upper and lower molding flasks having been moved into the mold extraction station by the flask turning mechanism, in a superimposed state from the upper and lower molding flasks; and