To provide a method for manufacturing a cement molding material molding capable of holding a necessary strength by sufficiently preventing an occurrence of a crack in the obtained molding.

The method for manufacturing a mineral molding comprises the steps of molding a molding raw material of the cement molding material by a dehydrating press, transferring the raw material to a receiving mold, curing and hardening the material to obtain the molding, and roughing a rear surface of the molded raw material.