Sign language and braille are of essential importance for deaf and blind people. They serve as significant carriers for increasing national languages awareness，providing information and communication accessibility，and literally encouraging people with disabilities to participate equally and develop inclusively. Taking the notion of all-inclusion as its main concern，this article firstly introduces the development of national sign language and braille in China. Then，as sign language and braille are the core of information and communication accessibility，an analysis from an international perspective is carried out to examine current issues in its policymaking and implement. Finally，strategies and suggestions are proposed for quality planning and supervision for the construction of information and communication accessibility in China.