UDL Universal Design for Learning (UDL) is a scientifically valid framework for guiding educational practice, whose key premise is student diversity, emphasizing the need to meet student needs by enhancing flexibility in instructional methods, instructional objectives, instructional materials, and instructional assessment. It consists of three main principles, providing diverse modes of participation, representation, behavior, and expression, with the main focus on why, what, and how students learn.UDL emphasizes taking into account the learning needs of all students when conducting curriculum design and giving every student the opportunity to learn. Therefore, the presentation of information, student feedback, and the use of learning materials should be taken into account when designing a course, rather than being modified and supplemented after the lesson to address issues that arise during student learning. When the curriculum is designed for all students, students with learning disabilities should naturally be included, not treated as “special”, so that students with learning disabilities can truly be integrated into general education and have more equitable access to educational opportunities. UDL, as a mature framework for personalized curriculum design, can provide effective theoretical guidance for designing personalized learning courses. Research-based on the UDL perspective has been widely used in most countries, and there have been teaching resource construction, online resource construction based on the Internet of Things, application in university courses, personalized learning curriculum design, and application in educational practice. If this theory is used in primary and secondary school classrooms, students can be personalized and equitably nurtured by using the methods, materials, and assessments that students like, and students can develop and stimulate their learning motivation together. development, stimulate students’ learning motivation, will students grow better.