On December 31, 2020, the research group held the annual report meeting of the semiconductor thin film research group from 13:00 to 18:00 in the 7^th teaching building. Gao Yun, Lu Guochao, Lin Chen, Wang Xiaobin, You Jian, Zhang Tao, Li Sirong, Xu Haojie, Tan Chao, Wang Yanwen, Guo Yichuan, Song Lutao made work reports.