Welcome to the official website of the 2023 9th International Conference on Computing and Data Engineering (ICCDE 2023). The conference will be held in Haikou, China during January 6-8, 2023. ICCDE 2023 is a forum for scientists, engineers and researchers to discuss and exchange novel ideas, results, experiences, and work-in-process. This conference will also provide an excellent opportunity for the young researchers to expose their work to international scrutiny, receive feedback from peers from different parts of world, gain from the vast experience and expertise of the leaders in this important field of research and to open up the scope for new research collaborations among the international community of participants and invited delegates.