《In preparation》 This is the first international conference in Japan to address best practice standards for treatments for ASD and related developmental issues, including applied behavior analysis (ABA) and patient-centered support. It will bring together experts from around the world in the clinical, educational, and legal fields and will be held in Hakodate, Hokkaido from September 5th to 7th, 2025. This project aims to improve the lives of children and adults with ASD through effective, compassionate, scientific treatment models developed and proven in the United States and elsewhere, and by addressing the global challenge of autism spectrum disorder/ASD. The aim is to give children hope for growth and growth, and to help them become the best they can be. This is the first step in creating opportunities for direct interaction and networking. This is an early bird discount plan for students, those 65 years of age or older, those involved and their families who apply by April 10, 2025.