The embodiment of the invention relates to a dot matrix code recognition device, which comprises an image acquisition module, a processing module, a query module, an audio playing module, a storage module, and a communication module, the processing module is used for carrying out identification processing on the dot matrix coded image to obtain coded region ID information and sending the coded region ID information to the query module; the query module is used for querying audio ID information corresponding to the coding area ID information, querying a corresponding first audio file in the storage module according to the audio ID information and sending the first audio file to the audio playing module; the audio playing module is used for decoding and playing the first audio file; the storage module is used for storing the first audio file; the communication module is used for sending the audio ID information to external equipment when the query module cannot query the first audio file in the storage module, receiving a second audio file acquired by the external equipment according to the audio ID information, and sending the second audio file to the audio playing module; and theaudio playing module is also used for decoding and playing the second audio file.