Automobile infrared sensor

The utility model discloses an automobile infrared sensor. The automobile infrared sensor is characterized in that the automobile infrared sensor comprises an automobile, a receiver, an alarm and infrared sensor bodies; the infrared sensor bodies are arranged on the front side, the rear side, the left side and the right side of the lower portion of the automobile; the receiver and the alarm are arranged in a cab of the inside of the automobile, and the receiver, the alarm and the infrared sensor bodies are connected through wires. The automobile infrared sensor has the advantages that when people or objects exist on the front side or the rear side or the left side or the right side of the automobile, especially at the low position where the sight of a driver cannot reach easily, the infrared sensor bodies give out signals, the receiver receives the signals which are transmitted to the alarm, alarming is started, the attention of the driver can be drawn, the driver can take measures immediately, and accidents can be avoided.