The utility model discloses an automatic optical equipment that throws of aluminum alloy building templates, including the backup pad, the upper surface of backup pad left side is equipped with hydraulic tank, hydraulic pump and singlechip, and the upper surface middle part of backup pad is connected with through the fixing base erects the second guide rail of putting, and the quantity of second guide rail is two, this automatic optical equipment that throws of aluminum alloy building templates, and simple structure, convenient operation, occupation space is few during the use, can carry out full -automatic polishing to aluminum alloy building templates, the utility model discloses can fix the horizontal bar on the third slider at during operation U -shaped support frame for the more steady of round work of polishing, the setting up of gear and rack make the back -and -forth movement that carries on that the wheel can be random of polishing, and adjustable baffle can be fixed the aluminum alloy building templates of different grade type in the backup pad, and the setting up of hydraulic stem makes polishes the wheel and can carry out polishing of different angles to building templates.