The invention discloses a voice storage and playback system, belongs to the technical field of automatic control and relates to an intelligent control platform system. The voice storage and playback system is characterized by comprising a single-chip microcomputer (1), a power supply circuit module (2), a keyboard setting module (3), a memory module (4), a D / A conversion circuit module (5), a rear-mounted band-pass filter module (6), an A / D conversion circuit module (7), a data display module (8), a gain amplifier module (9), a preposed band-pass filter module (10), an output amplifier (11), an earphone module (12) and a sound pick-up (13). Compared with the prior art, the voice storage and playback system has the advantages of being high in intelligence, long in recording time, wide in application occasions, good in sound quality and the like.