The invention relates to the technical field of glassware mechanical equipment, in particular to a high borosilicate glass pot bottom automatic resection device. The device comprises a workbench, flame cutting mechanisms and a pot bottom waste collection apparatus; the table top of the workbench is equipped with a plurality of round mounting holes; each flame cutting mechanism includes a rotary table and a flame cutting ring that are coaxially up and down; the rotary table is assembled in the mounting hole and is connected to a drive motor, and a central hole is arranged along the center of the rotary table; the flame cutting ring has an annular fuel gas chamber, the outer side wall of the fuel gas chamber is equipped with a fuel gas inlet, the fuel gas inlet is connected to a gas supply apparatus through a pipeline, and a plurality of micropores uniformly distributed along the circumference are disposed on the inner side wall of the fuel gas chamber; and the pot bottom waste collection apparatus includes sliding chutes and a waste collection box. The high borosilicate glass pot bottom automatic resection device provided by the invention has the characteristics of simple structure,convenient operation and high cutting efficiency, realizes automatic cutting of the high borosilicate glass pot bottom, precisely controls the cutting precision, and realizes automatic centralized collection of the pot bottom waste.