Chinese science fiction writer Liu Cixin made a video link on the 20th at the "Science Fiction Literature and Sustainable Future" exchange meeting. The theme of UN Chinese Day 2023 is "China's Wisdom, Green Development", and a series of celebrations held at the United Nations Headquarters in New York also include calligraphy lectures.

The exchange meeting was chaired by Song Mingwei, Head of the Department of East Asia, and attended by Geng Shuang, Deputy Permanent Representative of China to the U.N.