A power glitch signal detection circuit, comprising: a voltage sampling module, including a first capacitor, a sixth MOS transistor, a seventh MOS transistor, an eighth MOS transistor and a first inverter, wherein a gate terminal of the sixth MOS transistor is connected to a ground voltage through the first capacitor, and a source terminal of the sixth MOS transistor is connected to the ground voltage, the gate terminal of the sixth MOS transistor is connected to a power supply voltage through the seventh MOS transistor, a drain terminal of the sixth MOS transistor is connected to the ground voltage through the eighth MOS transistor, and the drain terminal of the sixth MOS transistor is connected to the gate terminal of the sixth MOS transistor through the first inverter, and the voltage sampling module is configured to acquire and output a sampled voltage of the power supply voltage at the gate terminal of the sixth MOS transistor; a detection unit array, including multiple metal oxide semiconductor, MOS, transistors, wherein the multiple MOS transistors comprise multiple first MOS transistors, wherein a gate terminal of the first MOS transistor is connected to the sampling voltage, and a source terminal of the first MOS transistor is connected to the power supply voltage, wherein the multiple MOS transistors have different threshold voltages respectively; a switch array, including multiple switches corresponding to the multiple MOS transistors; and a signal generation circuit, wherein drain terminals of the multiple MOS transistors are connected to the signal generation circuit through the multiple switches respectively; wherein when a target switch in the multiple switches is turned on and switches in the multiple switches other than the target switch are turned off, the signal generation circuit is configured to generate and output a target signal according to change of a voltage value of an output of the target switch, and the target signal is used to indicate whether there is a power glitch signal on the power supply voltage or the ground voltage. a voltage sampling module, including a first capacitor, a sixth MOS transistor, a seventh MOS transistor, an eighth MOS transistor and a first inverter, wherein a gate terminal of the sixth MOS transistor is connected to a ground voltage through the first capacitor, and a source terminal of the sixth MOS transistor is connected to the ground voltage, the gate terminal of the sixth MOS transistor is connected to a power supply voltage through the seventh MOS transistor, a drain terminal of the sixth MOS transistor is connected to the ground voltage through the eighth MOS transistor, and the drain terminal of the sixth MOS transistor is connected to the gate terminal of the sixth MOS transistor through the first inverter, and the voltage sampling module is configured to acquire and output a sampled voltage of the power supply voltage at the gate terminal of the sixth MOS transistor; a detection unit array, including multiple metal oxide semiconductor, MOS, transistors, wherein the multiple MOS transistors comprise multiple first MOS transistors, wherein a gate terminal of the first MOS transistor is connected to the sampling voltage, and a source terminal of the first MOS transistor is connected to the power supply voltage, wherein the multiple MOS transistors have different threshold voltages respectively; a switch array, including multiple switches corresponding to the multiple MOS transistors; and a signal generation circuit, wherein drain terminals of the multiple MOS transistors are connected to the signal generation circuit through the multiple switches respectively; wherein when a target switch in the multiple switches is turned on and switches in the multiple switches other than the target switch are turned off, the signal generation circuit is configured to generate and output a target signal according to change of a voltage value of an output of the target switch, and the target signal is used to indicate whether there is a power glitch signal on the power supply voltage or the ground voltage.