The present invention discloses a digital recording and processing device for mass data of audio and video. The digital recording and processing device is characterized by including a multimedia processor, an analog front end circuit, a DDR memory, a power source, a power source protective circuit, a Beidou module, a 3G module, an audio and video input circuit and a communication circuit, wherein an output end of the power source is connected to an input end of the power source protective circuit, an output end of the power source protective circuit is connected to an input end of the multimedia processor, an information output end of the DDR memory is connected to an information input end of the multimedia processor, a signal output end of the Beidou module is connected to the input end of the multimedia processor, a signal input end of the audio and video input circuit is connected to a signal input end of the analog front end circuit, a signal output end of the analog front end circuit is connected to the input end of the multimedia processor, a signal output end of the 3G module is connected to the input end of the multimedia processor, and the communication circuit is connected to the input end of the multimedia processor.