The utility model discloses a fully-digital engineering dual-source surface wave exploration data acquiring and processing system, comprising a host machine, a plurality of digital low-frequency wave detectors, a cable interface unit, an operation control unit, a digital cable, a seismic focus trigger wire assembly and a storage battery cable assembly, wherein the plurality of digital low-frequency wave detectors form into a data link, the data link is connected with an input end of the host machine by the digital cable and the cable interface unit, the host machine is connected with the operation control unit, the seismic focus trigger wire assembly is connected with an artificial source and the host machine, and the storage battery cable assembly is connected with a storage battery, the host machine and the data link; and the digital low-frequency wave detectors are used for acquiring an artificial source surface wave signal and a natural source surface wave signal and performing analog-to-digital conversion to acquired information, and the information is transmitted to the host machine by the digital cable through the cable interface unit and is processed by the host machine by means of data processing. The system can acquire and process not only the artificial source surface data but also the natural source micro-seismic data and has the exploration depth of 300m or even 1000m underground.