A method of manufacturing a pulp mold formed body, comprising; a first heating and drying process wherein a pulp mold intermediate (15) is formed, the pulp mold intermediate (15) is filled into a recessed part of a heated mold having a recessed part formed corresponding to the outside shape of the pulp mold formed body to be formed, and the pulp mold intermediate (15) is hot-pressed and a second heating; and a second heating and drying process wherein the hot-pressed pulp mold intermediate (15) is heated and dried in a drying furnace after the intermediate (15) is taken out from the heated mold.