Shadowing exercise, as a training method for simultaneous interpreting, has long been known to enlarge memory capacity, enhance attention split and improve delivery speed as well as multi-task capabilities. Through adopting shadowing exercises in basic interpreting courses, the author attempts to analyze the systematic cognitive process, initiate the active listening, stimulate the cognitive relevance abilities of the trainees such imagination, anticipation and logic thinking so that better listening comprehension and communication effects will be achieved. Hopefully, the research can bring innovation to interpreting and English courses at large.