The invention discloses a full-automatic fresh meat inclined slicing machine. The machine comprises a frame, and a lower cutter blade set and an upper cutter blade set arranged in the frame; a lower cutter horizontal slide rail and a lower cutter lifting slide rail are arranged below the lower cutter blade set; the lower cutter lifting slide rail is arranged on a lower cutter lifting bracket; a lower cutter ascending motor is arranged below the lower cutter lifting bracket; the upper cutter blade set is arranged on an upper cutter carrier; and the upper cutter carrier is connected with an upper cutter swing motor through a connecting rod. The machine adopts the lower cutter blade set and the upper cutter blade set to cut meat to achieve fast speed, high efficiency, uniform thickness and capacity of adjusting the thickness; the machine not only can cut general fresh meat, but also can cut sashimi and the like to achieve multiple purposes on one machine; and a cleaning water tank is arranged below a lower cutter lifting bracket for cleaning upper and lower blades by using water in the cleaning water tank.