Alarm circuit for abnormal flameout of gas stove and gas stove

The utility model discloses an alarm circuit for abnormal flameout of a gas stove and the gas stove. The alarm circuit for abnormal flameout of the gas stove comprises a control module, a switch valve module, a signal amplification module, a thermocouple, an electromagnetic valve and an alarm module, the control module, the switch valve module and the thermocouple are electrically connected in sequence, the two ends of the thermocouple are electrically connected with the two ends of the electromagnetic valve respectively, the electromagnetic valve is used for opening or closing a gas pipeline, and the switch valve module is used for controlling the electromagnetic valve to be opened or closed; the thermocouple, the signal amplification module and the control module are electrically connected in sequence; the signal amplification module is used for amplifying a signal fed back by the thermocouple; the alarm module is electrically connected with the control module, and when the voltage of the signal output by t