From November 10 to 12, 2023, Prof. Fang Yu was invited as an honored guest to attend the “Forum on Challenges and Opportunities in Ultrafast Chemistry” and the “National Youth Symposium on Ultrafast Chemistry” in Beijing, which was sponsored by the Science and Technology Activities Special Program of the Chemistry Department of the National Natural Science Foundation of China and co-organized by Beijing University of Posts and Telecommunications and Beijing Normal University. Photonic Nose and Molecular Materials Group teachers Prof. Liu Jing, Prof. Bian Hongtao and Prof. Ma Jiani attended the meeting.