Embodiments of the present disclosure provide a method and apparatus for processing information. A method may include: generating voice response information based on voice information sent by a user; generating a phoneme sequence based on the voice response information; generating mouth movement information based on the phoneme sequence, the mouth movement information being used for controlling a mouth movement of a displayed three-dimensional human image when playing the voice response information; and playing the voice response information, and controlling the mouth movement of the three-dimensional human image based on the mouth movement information.