We welcome you to participate in the 19th International Conference on Computer-Aided Design and Computer Graphics (CAD/Graphics 2025), which will be held in Yantai, China, from August 19 to 21, 2025. CAD/Graphics is a biennial international conference that has been held since 1989 and is affiliated with the Chinese Computer Federation (CCF). It provides an ideal forum for international researchers and developers to exchange new ideas on computer-aided design, computer graphics, and visualization. The previous CAD/Graphics conferences were held in Shanghai (2023), Xi'an (2021), Qingdao (2019), Zhangjiajie (2017), Xi'an (2015), Hong Kong (2013), Jinan (2011), and Hangzhou (2009), etc., with great success. This year, CAD/Graphics 2025 will be co-located in Yantai with the CCF CAD/CG 2025 and GDC 2025.