The 15th International Conference of the Asia-Pacific Consortium of Teaching Chinese as an International Language (APC-TCIL15) will be hosted by the Australian Tertiary Chinese Teachers Association and the University of Melbourne from 25th-26th October 2024. The theme of the conference is “Diversity and Development,” focusing on the diversification of international Chinese language learners and promoting communication and understanding among countries in the Asia-Pacific region through Chinese language teaching and research. Our conference also aims to enhance interdisciplinary research in the broader fields of humanities and social sciences to address the challenges and opportunities posed by the emergence artificial intelligence. We cordially invite faculty members and postgraduate students to submit individual or collaborative paper/panel proposals for participation in the conference.