1. Accessibility of educational facilities: refers to the accessibility of buildings and facilities in educational places and classrooms, with accessible materials and equipment. For example, teaching equipment and tools in the classroom, as well as supporting buildings including stairs, passages, toilets and other facilities, should be convenient for the disabled.

2. Accessibility of educational resources: refers to the accessibility of educational resources to meet the needs of the disabled. For example, for different types of disabled people such as visually impaired and hearing impaired, we provide diversified educational materials and multimedia resources such as words, images and sounds suitable for them.

3. Accessibility of educational content: It means that educational content meets the diverse needs and can provide equal opportunities and knowledge for disabled students. For example, in the teaching content, we should pay attention to the individual differences and needs of disabled students, give them full support and creative training programs, and let them participate in learning.

4. Accessibility of educational services: refers to the accessibility of educational services, including caring for and supporting disabled students and providing them with necessary auxiliary services and support. For example, schools need to provide psychological counseling, social training, vocational guidance, employment support and other services to provide comprehensive support for disabled students, so that they can get correct care and guidance and give full play to their potential.