In recent years, we are committed to creating a friendly accessibility. However, information for the visually impaired accessibility and space requirements of the build is still insufficient, effect of visually impaired spatial cognition, and thus reduced willingness to go out to the visually impaired activities. The study, through the literature analysis, field observations and expert advice were to collect domestic and foreign literature. Through case studies finishing the visually impaired the problem faced in different places, and by interviews experts further proposed to improve the design of existing norms and strengthen policy, as amended for future reference "Design Specifications of Accessible and Usable Building and Facilities".