On the morning of July 15, 2020, Prof. Dr. Guangyan Qing of Group 18T7 was invited by the Youth Promotion Association of the Institute of Chemistry to make a report titled "Smart Polymers and Interfaces" in the Communication Center of DICP. Qing introduced the concept and development status of smart polymers, how to use the design concept of smart polymer to try to solve the problems and challenges in separation and analysis chemistry, the development direction of smart polymer materials, etc. At the same time, he shared some of his scientific research experience with graduate students. Secretary Zhiyuan Mao attended the meeting and awarded a commemorative trophy to Qing.