The invention discloses a special grinding machine for a deep pot and a use method thereof. A rotary base is arranged on a column base through a bearing pedestal, a balancing base is arranged on the rotary base through the bearing pedestal, an elastic compression plate is arranged on the balancing base through a compression plate hinge, a grinding wheel deflection base is arranged on the elastic compression plate through a deflection base hinge, a grinding wheel motor, a medium transitional shaft and a grinding wheel shaft are connected through a belt pulley, and a diamond roller is arranged on the grinding wheel shaft; a hydraulic chuck is perpendicularly arranged on a main shaft of a workpiece, a workpiece braking motor is arranged in a machine tool body, and the workpiece braking motor is connected to the main shaft of the workpiece through a belt pulley; a turbine box is arranged on the bearing pedestal, and a servo motor is arranged on the turbine box; and a numerically controlled device is arranged on a closed housing for controlling the grinding machine to machine the pot. According to the special grinding machine for the deep pot disclosed by the invention, the percent of pass of finished products of the deep pots is high, the texture is clear and fine and smooth, and the product quality is greatly enhanced.