The Law of the People's Republic of China on the Protection of Disabled Persons stipulates that disabled persons include visual disability, hearing disability, speech disability, physical disability, intellectual disability, mental disability, multiple disability and other disabled persons. The "Evaluation Criteria for the Use of Disabled Persons in China" classifies all kinds of disabled persons as follows:

1, visual disability: divided into blindness and low vision. Blindness includes primary blindness and secondary blindness; Low vision includes first-class low vision and second-class low vision.

2. Hearing disability: Hearing disability is divided into four levels: first-level hearing disability, second-level hearing disability, third-level hearing disability and fourth-level hearing disability.

3. Speech disability: it is divided into four levels: first-level speech disability, second-level speech disability, third-level speech disability and fourth-level speech disability.

4. Intellectual disability: Intellectual disability is divided into four levels: I (severe), II (severe), III (moderate) and IV (mild).

5. Physical disability: There are three levels: first-degree (severe) physical disability, second-degree (moderate) physical disability and third-degree (mild) physical disability.

5. Mental disability: Mental disability is divided into three levels: I (severe), II (moderate) and III (mild).

6. Multiple disabilities: Anyone with more than two kinds of disabilities is multiple disabilities.