The utility model relates to a powder forming machine. A machine body is provided with a mould frame which is provided with 2-4 mould frame columns; the upper end of the mould frame is connected with an upper connection plate; the central part is fixed to a bottom plate, and a moving plate is arranged between the bottom plate and the upper connection plate; one side of the moving plate is connected with a pressing vat and the other side is provided with an upper punching mould; a cavity die is arranged on the bottom plate; one side of the bottom plate is provided with feeding device; a support board is arranged below the bottom plate; the support board is provided with a lower mould and a core bar which is connected with a core bar oil cylinder; a movable stop spacing is arranged in the shift motion range of the bottom plate. The powder forming machine of the utility model is fully driven by hydraulic pressure, which can realize the fully automatic process of powder forming; the powder forming machine has the features of smooth blanking, high productivity, stable operation and easy disassembly and assembly of the mould, which is suitable for the parts with holes in theindustrial powder dry press.