A kind of long distance auscultation apparatus through voice communication circuit transmission, including a stethoscope, a near-end speech communication device, a voice communication circuit, a far-end speech communication device. The human body audio signals that the stethoscopic audio sensors are sensed, voice input port Hou of the near-end speech communication device is sent to via the signal transmission interface, human body audio signals are exported by the voice output port of the near-end speech communication device, then are played out via the audio output device that the voice communication circuit is sent to the far-end speech communication device.一種透過語音通訊線路傳送的遠距聽診裝置,其中包括一聽診器、一近端語音通訊裝置、一語音通訊線路、一遠端語音通訊裝置。聽診器的該音訊感測器所感測到的人體音訊信號,經由該信號傳輸介面傳送至該近端語音通訊裝置的語音輸入埠後,由該近端語音通訊裝置的語音輸出埠輸出該人體音訊信號,再經由該語音通訊線路傳送至該遠端語音通訊裝置的一音訊輸出裝置予以播放出。