What's the use of Grade III disability certificate? The Certificate of the People's Republic of China for Persons with Disabilities (hereinafter referred to as the certificate for persons with disabilities) is a special certificate for persons with disabilities issued by the China Disabled Persons' Federation (CDPF), which is approved by the state. Its effectiveness is mainly reflected in: 1. the certificate to prove the disability and its category and grade; 2. The basis for enjoying preferential policies and support regulations of the state and local governments and safeguarding legitimate rights and interests; 3. To formulate work plans and develop the basis for the cause of the disabled. According to the Measures of the People's Republic of China for the Administration of Disabled Persons' Certificates, all persons with disabilities such as vision, hearing, speech, intelligence, limbs, and spirit who meet the Practical Evaluation Standards for Disabled Persons in China shall be issued with disability certificates. Persons with disabilities who have not yet reached the prescribed standards shall not be issued with disability certificates. Is this easy to understand?