The invention relates to the technical field of client service devices and in particular to a multilingual automatic speech calling and answering device and a using method thereof. The multilingual automatic speech calling and answering device comprises a self-service voice revisit client side unit, a voice data unit and a voice service application unit; the self-service voice revisit client side unit comprises a text information input module, a text information extracting module, a text information splitting module, a context analyzing module, a voice marking unit extracting module, an alternative linguistic data memory pool, a spare linguistic data comparing module, a to-be-selected linguistic data synthesizing module, a network protocol module, a voice information control module and a system integration interface. The multilingual automatic speech calling and answering device is reasonable and compact in structure, convenient to use, can be used for automatically judging type of languages used by the user according to voice in incoming calls, automatically providing voice service of corresponding languages, splitting one part of manual service, releasing manual service pressure and improving service efficiency and service quality; the call revisiting task also can be performed by the multilingual automatic speech calling and answering device. The multilingual automatic speech calling and answering device has characteristics of being safe, labor-saving, simple and convenient, and efficient.