A supplying molten metal to an automatic pouring machine and equipment therefor. The equipment can not only supply the molten metal into the automatic pouring machine corresponding to the molding speed of the high-speed molding machine, but it can also appropriately supply the molten metal to the automatic pouring machine, so that the quality of that molten metal in the pouring ladle matches that of the molten metal that is poured in the molds. After supplying a required quantity of alloy materials in a treating ladle, supplying the molten metal from the melting furnace into the treating ladle; transporting the pouring ladle to the treating ladle; pouring the molten metal from the treating ladle into the pouring ladle; and fixing the pouring ladle that received the molten metal to the automatic pouring machine.