Wireless infrared sensor vital signs

The invention discloses a wireless infrared vital sign sensor which comprises an input/output unit, an infrared emitter, an infrared receiver, a data processing unit and a battery module, wherein the input/output unit is used for receiving a measuring command and outputting measured data; the infrared emitter is used for generating infrared waves to be emitted to a measured object for sensing the vital signs of the measured object; the infrared receiver is used for receiving the infrared waves reflected by the measured object and converting the received infrared waves into electrical signals; the data processing unit is connected with the input/output unit, the infrared emitter and the infrared receiver, and is used for controlling the operation of the input/output unit, the infrared emitter and the infrared receiver, processing the electrical signals received from the infrared receiver, and outputting the measured data in a preset format to the input/output unit; and the battery module is connected with the infrared emitter and the data processing unit for power supply for the infrared emitter and the data processing unit. The invention can realize non-contact type collection of physiological data of the human body, and has simple measuring operation, quick measuring speed and high accuracy rate.