The purpose of this study was to explore a regular class teacher's experiences and perspectives toward an inclusive class of children with autism spectrum disorder. The researcher used case study to explore the inclusive education process of the teacher's class management, problem-solving strategies, and parent-teacher communication through in-depth interviews. The study found that the effective factors for successfully including children with ASD in mainstream classrooms including: teacher self-efficacy, using strategies to improve behavior problems of children with ASD, making good use of peer counseling skills, effective parent-teacher cooperation channels, etc., and hope to provide specific reference for teachers to optimize the successful inclusion of children with ASD.