Judges scoring system is composed of handhelddevice, base station and computer. Judges use handheld device and send scoresto base station through wireless communication method. At last, base stationwill send scores to computer. The computer background software counts judges’scores.Judges scoring system uses advanced RFtechnology and wireless method. The handheld device had LCD and users are easyto use it. The computer background software counts judges’ scores.The system is applied in entertainmentinteraction, conference voting, and personnel election.