The invention relates to a portable interpretation system based on a WinCE platform, which comprises a voice collector, a voice preprocessing module, a voice feature extraction and modeling module, a model base, a recognition module, a corpus base and an interpretation and voice synthesis module, wherein all the modules are established on an embedded platform; the voice collection module is connected with the voice preprocessing module; the voice preprocessing module is connected with the voice feature extraction and modeling module; the voice feature extraction and modeling module is respectively connected with the model base or the recognition module; when a training state is selected, the voice feature extraction and modeling module is connected with the model base; when a recognition state is selected, the voice feature extraction and modeling module is connected with the recognition module; the recognition module is connected with the interpretation and voice synthesis module; and the interpretation and voice synthesis module is connected with the corpus base. The portable interpretation system has the characteristics of high voice recognition efficiency, high recognition accuracy, high equipment portability and two-way interpretation.