A mobile terminal device able to automatically set suitable field break positions in accordance with the situation, able to realize a skip operation and back skip operation by specific operations, able to efficiently utilize a readout function, and able to improve convenience to a user is provided. It has an operation unit 19 for instructing a readout function, a memory 12 storing text, a text-to-speech unit 20 for converting text data stored in the memory 12 to speech data at the time of readout, an audio output unit 21 for outputting the speech data, and a control unit 26 for recognizing predetermined breaks from the text to be read out when outputting the speech data at the audio output unit 21 and performing control so as to output the words from either a break position before or after the readout target text at the point of time of the input of instruction as the speech data by the audio output unit when there is a predetermined instruction by the operation unit 19.