The utility model relates to a metal forming mold which comprises an upper press board, a female mold and a bottom board, wherein the female mold is arranged on the bottom board. The utility model is characterized in that the female mold comprises at least two modules which are movably connected with the bottom board. A mold locking board is arranged at the outside of the female mold, and is in a barrel-shaped structure with a circle arranged outside and cam ring arranged inside. A mold locking chute is arranged on the bottom board, and the bottom of the mold locking board is provided with a sliding block of the locking mold board, which is matched with the mold locking chute. The mold locking chute is in an annular I shape. The exterior surface of the mold locking board is provided with a worm wheel which is matched with a worm screw, and one end of the worm screw is connected with a motor through a driving belt. A radical female mold chute is arranged on the bottom board, and the female mold sliding blocks which are matched with the female mold chute are arranged on the female mold modules. The female mold chute is T-shaped, and a spring is arranged between the female mold modules. The metal forming mold of the utility model has the advantages of simple structure, simplified production process and high production efficiency.