The invention discloses an automobile plate punching machine with a high degree of automation. The automobile plate punching machine with the high degree of automation comprises a table plate, supporting legs, a power cylinder, feeding guide rails, a punching seat, limiting guide rails and a punching mechanism, wherein a plurality of supporting legs are arranged at the bottom of the table plate, the power cylinder is arranged on the table plate through a power cylinder mounting plate, and a material pushing plate is installed at the output end of the power cylinder . The table plate is furtherprovided with a feeding seat and a punching seat located on a journey path of the material pushing plate, wherein the feeding seat is provided with a concave cavity receding to the pushing plate, anda pair of oppositely placed feeding guide rails are arranged on the top of the feeding seat. The punching seat is provided with a pair of limiting guide rails parallel to the feeding guide rails andcorresponding to the position of the feeding guide rails, and the punching mechanism is located directly above the punching seat. The automobile plate punching machine with the high degree of automation has beneficial effects that automobile plates can be acted by the power cylinder to perform the automatic feeding and discharging operation, structure is simple, automation degree is high, and punching waste and finished workpieces can be collected automatically.