Abstract: A new multimodal Human Computer Interaction(HCI) model was proposed to support senior user in smart home. hhe prototype system which integrates the functions of Chinese language speech information processing and eye gaze tracking in the network environment of smart home was developed. I3y using the avatar technologies, achieved capability of visual auditory dual-channel interaction. User's intention was perceived by rule-based task reasoning. The experimental results show that user experience is improved.

Key words: Multimodal, Eye gaze tracking, HCI, Smart home, Senior people