The blind library (reading room) is an important part of barrier-free information service and belongs to the public cultural service system of the whole society. Blind readers can get the information they need in the library equally and freely like ordinary people through the blind library equipment and special education equipment. The establishment of blind library and its supporting facilities is an important embodiment of the society's concern for the cultural needs of blind friends and the promotion of blind friends to enjoy public cultural services. In special education equipment, it is an important symbol of social civilization and progress to establish more libraries and auxiliary equipment for the blind.

Due to the high-tech content and difficulty in research and development of the equipment in the library for the blind, there are not many domestic developers at present, among which the information system for the visually impaired in public libraries developed by the Language and Character Information Processing Research Center of the Department of Automation of Tsinghua University has attracted the most attention and won unanimous praise at home and abroad. It has become the first choice equipment for many libraries for the blind, equipment for schools for the blind, special education schools, multimedia classrooms for schools for the blind and multimedia classrooms for special education schools, and has become a bright spot in special education equipment. The following is a brief introduction to this system.