The invention discloses an automatic false tooth grinding repairing system. The automatic false tooth grinding repairing system comprises a machine frame supporting device, an automatic false tooth conveying device, a parallel arm platform device, a longitudinal translation device, an automatic false tooth clamping device, a series mechanical arm device, a false tooth collecting device and a grinding solution circulating device, wherein the automatic false tooth conveying device, the parallel arm platform device, the longitudinal translation device, the automatic false tooth clamping device, the series mechanical arm device, the false tooth collecting device and the grinding solution circulating device are arranged on the machine frame supporting device correspondingly, the parallel arm platform device is arranged on the longitudinal translation device, the longitudinal translation device can perform translation movement in the machine frame supporting device in the longitudinal direction, the false tooth automatic clamping device is arranged at the tail end of the parallel arm platform device, the series mechanical arm device is arranged at the position opposite to the parallel arm platform device, the grinding solution recovery end of the grinding solution circulating device is arranged between the series mechanical arm device and the longitudinal translation device, the grinding solution output end of the grinding solution circulating device is arranged at the end portion of the free end of the series mechanical arm device, and the false tooth collecting device is arranged at the position where the automatic false tooth clamping device can reach. According to the automatic false tooth grinding repairing system, through the simple structure, automatic conveying, clamping, high-precision grinding and collecting of false teeth are realized.