▎ 摘　　要

NOVELTY - The utility model claims a graphene electronic stethoscope, comprising an earphone and a stethoscope head, the stethoscope head comprises a package are orderly connected in the head of graphene piezoelectric film sensor and an audio pre-processor, A/D converter, microprocessor, memory, the head surface is provided with a display screen, the output end of the microprocessor is respectively connected with the input end of the earphone, the input end of the display screen. feedback the utility model a graphene electronic stethoscope, which can accurately detect heart sound signal amplification in real time and to the earphone and display screen, the user can grasp information real-time and accurate.