On May 23rd and 24th, the 2015 Optoelectronic Information Cup Badminton was successfully held in Optical Valley Stadium by SOEI and the Graduate Student Union. Different from previous years, the group game this year took the form of classification, which divided the teams into two levels according to their strength. In this way we can raise the participation enthusiasm of the teachers and students. In the end, the team of Microwave Engineering beat the IEI team, which has won the championship for the last three years. Apart from group game, we also had individual game and fun game. Each team participated in this game has showed real strength. After the game, the committee awarded certificates of merit and prizes to the winners.