Disclosed is a work process supporting system based on interactive voice and text communication, and more particularly a work process supporting system based on interactive voice and text communication, in which at least one of a voice and a text is selectively applied according to congenital/acquired conditions of an information or service requester, so that a work process for providing information or service can be carried out, thereby freeing from constraints in input/output means for performing the work process for providing the information or the service and carrying out the work process while keeping continuity, reliability and accuracy.