The invention discloses a full-automatic wafer wax pasting machine which comprises a wafer supply unit, a mechanical arm, a wafer cleaning unit, a centering unit, a wax dripping unit, a double-arm wafer transplanting unit, a wafer overturning unit, a wafer pressing unit, a ceramic plate heating unit, a turnover unit, a cooling unit and a carrier. A wafer passes through the wafer supply unit, the manipulator, the wafer cleaning unit, the centering unit, the double-arm wafer transplanting unit, the wax dripping unit, the wafer overturning unit, the ceramic plate heating unit, the wafer pressing unit, the turnover unit and the cooling unit to be assembled with a ceramic plate. According to the automatic wax dripping device, the functions of automatic feeding, automatic cleaning, automatic wax dripping, automatic baking, automatic overturning, automatic pressing, automatic heating, automatic turnover and automatic cooling are integrated, the production efficiency of products is greatly improved, and automatic production is achieved.