"If you are in, the youth is not scattered"，"green hill in, man is not old, classmate affection is strong", In recent years ,homecoming has always been very popular, recalling the past time and thick love among classmates. Recently , National University of Defense Technology has also held a unique homecoming which used the SunVote interactive voting feedback system.During the spare time of dining ,everyone present held a voting device and selected out the winner of the "best line Award" ,"the smartest award" and other awards in just a few seconds,Students instantly shared voting results,which is up to the climax of the party.It also increased students’interest and interaction among students as well as improved the effect of activity.