The invention relates to an iron sheet automatic creasing and groove pressing machine. The machine comprises a machine frame; the machine frame is provided with a material cutting device and a creasing and groove pressing device which are matched with each other; the material cutting device is provided with a reversing device matched with the material cutting device; the reversing device comprises a creasing guide barrel, a first guide barrel and a second guide barrel which are arranged on the machine frame from right to left; the creasing and groove pressing device comprises a first creasing barrel arranged below the material cutting device; a second creasing barrel is arranged below the first creasing barrel; the left side of the second creasing barrel is provided with a third creasing barrel; and the three creasing barrels are provided with creasing grooves and creasing holes, and the creasing grooves and the creasing holes are matched with one another. According to the iron sheet automatic creasing and groove pressing machine, machining of an installation groove in the end of an iron sheet is completed through the material cutting device and the creasing and groove pressing device matched with each other, and cutting off is conducted; the creasing and groove pressing device achieves precise creasing through the creasing grooves and the creasing holes matched with one another, and the machining efficiency of the installation groove in the end of the iron sheet is improved; and meanwhile, precise indentations and pressing grooves can be achieved, and deforming and cracking are prevented.