A working procedure as it is, is guided and taught, and as the use is continued the working procedure is guided and taught in such a manner that the mastery and working speed of the utilizer may be automatically fitted while the level of the worker is controlled so as to be always fitted. The system comprises means in which the working procedure is stored as images and displayed by continuous images; audio data storage means consisting of audio data in which the working procedure of a first level is recorded in association with said series of the workings and audio data of a second level of less audio information recorded in said first level, being constituted by optional levels; audio data selection means which selects the working procedural information to be outputted from among the plural working procedural information pieces based on said working speed; and means in which the selected audio data and the images are outputted being associated.