A night vision system calibration device for an infrared camera of a night vision system in an automobile, comprising: a first housing, a heating element, a second housing covering the first housing, a power switch, a first indicator lamp and a second indicator lamp disposed on the second housing; a function switch, and a circuit drive apparatus comprising a power module, a controller, a voltage converter, a first temperature sensor and a second temperature sensor electrically connected to the controller, wherein: the controller is configured to determine a supply voltage of the heating element according to an ambient temperature of the heating element detected by the first temperature sensor, and indicate the supply voltage of the heating element to the voltage converter; the first indicator lamp is connected to and controlled by the controller to work when a temperature of the heating element detected by the second temperature sensor is within a preset temperature range, and the second indicator lamp is configured to work when the power switch is in an on state; the heating element comprises a heating area, a shape of the heating area being a shape of a target heating body (5, 6) used when a night vision system is calibrated; the second housing and the first housing form an accommodating cavity, the heating element being disposed in the accommodating cavity; and the second housing is provided with a through hole communicating with the accommodating cavity and adapted to the shape of the heating area, and the heating area is used for emitting infrared radiation through the through hole, wherein the circuit drive apparatus is disposed in the accommodating cavity formed by the first housing and the second housing, and the first housing, the second housing, the heating element and the circuit drive apparatus of the night vision system calibration device are provided with a laser penetration hole configured to provide alignment of the infrared camera of the automobile and a laser, wherein laser light emitted by laser can penetrate through laser penetration hole. a first housing, a heating element, a second housing covering the first housing, a power switch, a first indicator lamp and a second indicator lamp disposed on the second housing; a function switch, and a circuit drive apparatus comprising a power module, a controller, a voltage converter, a first temperature sensor and a second temperature sensor electrically connected to the controller, wherein: the controller is configured to determine a supply voltage of the heating element according to an ambient temperature of the heating element detected by the first temperature sensor, and indicate the supply voltage of the heating element to the voltage converter; the first indicator lamp is connected to and controlled by the controller to work when a temperature of the heating element detected by the second temperature sensor is within a preset temperature range, and the second indicator lamp is configured to work when the power switch is in an on state; the heating element comprises a heating area, a shape of the heating area being a shape of a target heating body (5, 6) used when a night vision system is calibrated; the second housing and the first housing form an accommodating cavity, the heating element being disposed in the accommodating cavity; and the second housing is provided with a through hole communicating with the accommodating cavity and adapted to the shape of the heating area, and the heating area is used for emitting infrared radiation through the through hole, wherein the circuit drive apparatus is disposed in the accommodating cavity formed by the first housing and the second housing, and the first housing, the second housing, the heating element and the circuit drive apparatus of the night vision system calibration device are provided with a laser penetration hole configured to provide alignment of the infrared camera of the automobile and a laser, wherein laser light emitted by laser can penetrate through laser penetration hole. the controller is configured to determine a supply voltage of the heating element according to an ambient temperature of the heating element detected by the first temperature sensor, and indicate the supply voltage of the heating element to the voltage converter; the first indicator lamp is connected to and controlled by the controller to work when a temperature of the heating element detected by the second temperature sensor is within a preset temperature range, and the second indicator lamp is configured to work when the power switch is in an on state; the heating element comprises a heating area, a shape of the heating area being a shape of a target heating body (5, 6) used when a night vision system is calibrated; the second housing and the first housing form an accommodating cavity, the heating element being disposed in the accommodating cavity; and the second housing is provided with a through hole communicating with the accommodating cavity and adapted to the shape of the heating area, and the heating area is used for emitting infrared radiation through the through hole, wherein the circuit drive apparatus is disposed in the accommodating cavity formed by the first housing and the second housing, and the first housing, the second housing, the heating element and the circuit drive apparatus of the night vision system calibration device are provided with a laser penetration hole configured to provide alignment of the infrared camera of the automobile and a laser, wherein laser light emitted by laser can penetrate through laser penetration hole.