Electronic stethoscope based on intelligent mobile terminal

The invention discloses an electronic stethoscope based on an intelligent mobile terminal. The electronic stethoscope has the advantages that the structure is simple, the size is small, and the priceis low; body surface acoustical signals are electrically conducted after being collected; the body surface acoustical signals can be filtered, amplified, stored, shared, remotely transferred and automatically analyzed. The system comprises an electric wire, a 3.5 mm plug, the intelligent mobile terminal, a microphone and a sound collecting device. The electronic stethoscope can achieve the functions that fetal heart sounds, individual distinctive body surface sound signals and the like are recorded, stored, played back and compared front and back; the body surface sound signals are shared andcan be used for clinical teaching, and it is avoided that each intern needs to repeatedly auscultate the same patient; remote transmission of the body surface sound signals is achieved, a physician can remotely acquire the bod