In order to enrich the after-school cultural life of graduate students in the research group, improve the enthusiasm and sports level of the teachers and students in the research group for badminton, enhance the cohesion of the teachers and students in the research group, and promote the communication and cooperation between teachers and students.The preliminary match and final match of the badminton competition in the research group organized by the Theory and Technology Team of Efficient Utilization of Waste Heat and Energy were held in the Gymnasium of Area A of Chongqing University on December 26th and 30th, 2020 respectively. There were 16 teachers and students in the team.The events are: men's singles, women's singles, men's doubles, women's doubles and mixed doubles.In this wonderful competition, the final winners of each event are as follows:

Women's singles: champion Zhu Zhuangying, runner-up Li Dan, third runner-up Xiao Tingyu

Women's doubles: champion Zhu Zhuangying and Li Chunyu; runner-up Li Dan and Cai Dongnan; third runner up Xiao Tingyu and Su Yiru

Men's singles: champion Huang Yongfang, second runner Wang Qin, third runner Liu Liu

Men's doubles: Champion Liu Lang + Liu Yu, runner up Liu Liu + Huang Yongfang, third runner up Wang Qin + Song Jiasheng

Mixed doubles: champion Wang Qin + Zhu Zhuangying, runner-up Mao Minghui + Li Dan, third runner up Cai Shouyin + Cai Dongnan.