The Workshop on Qualitative Theory of Differential Equations was held in Shiing-Shen Building on December 19-22, 2019. The organizing committee was composed of Prof. Jibin Li from Huaqiao University and Prof. Jiangong You from Nankai University. Prof. Chengzhi Li from Peking University and Prof. Jibin Li were invited to give lectures, and a total of 20 lectures were delivered during the workshop. With more than 60 attendees from all over the country, including Beijing, Tianjin, Shanghai, Guangzhou, Yunnan and Sichuan, the workshop provided a great opportunity for young teachers and scholars working on qualitative theory of differential equations to learn and share their ideas, and it's conducive to the field's future development in China.