The invention discloses a grinding type stripping machine capable of monitoring a grinding disc. The grinding type stripping machine comprises a machine frame, a stripping mechanism, a positioning mechanism, feeding and supporting mechanisms, a conveying mechanism and a monitoring mechanism, wherein the stripping mechanism is arranged on the machine frame, the positioning mechanism is arranged on one side of the stripping mechanism, and the monitoring mechanism is arranged on the positioning mechanism; the grinding disc is arranged on the stripping mechanism; and the monitoring mechanism comprises a visual sensor, a marking patch, a buzzer and a PLC, wherein the visual sensor is opposite to the grinding disc, the marking patch is arranged on the grinding disc and covers the side surface of the grinding disc, and the buzzer is arranged on the PLC. The invention further discloses a working method and a monitoring method for the grinding type stripping machine. According to the grinding type stripping machine and the working method and the monitoring method for the grinding type stripping machine, the phenomenon of the large cutting depth can be effectively avoided, and a tool can be protected; the grinding degree of the grinding disc can be automatically monitored, and an alarm can be given; and by means of mechanical feeding, time and manpower resources can be saved.