United Nations Convention on the Rights of Persons with Disabilities: In order to make the physical and mental disabilities have the right to self-reliance and full participation in all aspects of life, should take appropriate and necessary measures, to ensure that persons with physical and mental disabilities live on the basis of equality, Access to accessible environments, access to information, communications and transportation. Vietnam Construction Standard TCXDVN264: 2002, the provisions of the Braille system for elevators. Visually impaired in the building within the vertical line of directional action, Because of the use of literal characters, Braille set the location of improper or Braille error, etc., Can’t correctly identify the lack of information caused by confusion! This study is aimed at the scope of the city of Da Nang, A total of 16 elevators of 15 public buildings with Braille elevators were targeted for the survey, to barrier-free elevator Braille system status, to investigate, statistics, analysis, comparison and other operations, and puts forward the countermeasure against the wrong phenomenon of the elevator. Research purposes; Learn about Vietnam’s Da Nang City, Barrier - free elevator settings Braille system status of the Braille; Barrier-free elevator Braille, Braille system features; The establishment of the Vietnamese barrier-free elevator Braille system design of the basic information; Proposed barrier-free elevator Braille system, design, use and construction level set the benchmark. This study investigates the status quo and the results of cognition: (1). In the "open" button Braille: 62.50% in English Braille, 25.00% in Korean, 12.50% in Chinese Pinyin (Simplified Chinese). (2). There are 50.00% in English (alarm or alm), 16.66% in Roman alphabet (Simplified Chinese) and 33.34% in Korean alphabet.