An audio and video monitoring device for detecting physiological information which can be controlled by a terminal device is disclosed. The monitoring device includes a vital signs monitor and a network camera. The vital signs monitor includes a photoelectric sensor, a motion sensor, a body temperature sensor, a GPS sensor, a monitor MCU, a wireless transmitting module, a battery, and an A/D converting module. The photoelectric sensor includes a photoelectric heart rate sensor, a photoelectric blood oxygen sensor, and a blood pressure sensor. The monitoring device can transmit the physiological characteristics signal and audio and video signal synchronously to the remote terminal device, and it is safe to the special users, such as the babies or the elders.
