Temperature-controlled nutrient slow-stewing cook and its precision automatic temperature-controlling method

The present invention relates to a nutrient temperature control slowly-braising pan and its accurate automatic temperature control method. It includes the following several portions: pan body, internal enamel container in the pan body interior, control circuit board positioned on the pan body, enamel container sensor, chip microprocessor and automatic switching device. Said control method includes three stages: high-stage, low-stage and heat-insulating stage. Said invention also provides their concrete operation method and steps for implementing accurate temperature control.