Multifunctional life rescuing system

The utility model discloses a multifunctional life rescuing system which is characterized in that: a life rescuing card (A) is communicated with a life signal receiving instrument (B) by wireless signals, the life rescuing card (A) is provided with a human body thermal infrared sensor module (A2), a heart detection sensor module (A3), a first low power-consumption singlechip module (A4) and a first wireless modulation-demodulation module (A5); the life signal receiving instrument (B) is provided with a second wireless modulation-demodulation module (B5), a second low power-consumption singlechip module (B4), a LCD driver module (B2), a LCD display module (B3), a D/A conversion module (B8), an audio filtering/amplification module (B9) and a loudspeaker (B10). The multifunction life rescuing system can overcome the environmental impact, has convenient operation and efficiently finishes the searching and rescuing of trapped persons.