The invention relates to the field of home appliance technology, and more particularly to a quick stop mechanism on a food processor and a food processing comprising the quick stop mechanism. The invention comprises a transmission shaft flexibly received in a gear box, the transmission shaft extends from the top of the gear box, a metal sleeve is fixed on one side of the transmission shaft, a bottom surface of a buckle ring disposed on a lower part of the metal sleeve abuts against the top of a spring, and the bottom of the spring abuts against a spring seat, the spring seat defines a through hole, a magnet is disposed on inner side of the gear box, and flexibly cooperates with the metal sleeve, the transmission shaft passes through the through hole and cooperates with a clutch, and the clutch is connected to a motor on the food processor.