Adopt various teaching methods: Deaf-mute schools should adopt various teaching methods, give full consideration to students' special needs, and impart knowledge to students through gestures, words, concise charts, schematic diagrams, dialogues, articles and other contents on the basis of various comprehensive disciplines and in combination with multi-dimensional cognitive abilities that can awaken students' visual, auditory and sensory feelings.

1. Use repetitive training: In order to achieve the teaching effect, deaf schools should pay attention to the use of repetitive training, especially in the cognitive process of skills and exercises. When learning language ability, deaf-mute students should use gestures to strengthen and supplement language instructions, enhance students' cognition and improve their language understanding and expression ability.

2. Timely intensive training: The education of deaf-mute schools should effectively carry out intensive training, supplement and improve the lack of knowledge in time, and promote students' interest in learning. Training in reading, literacy, cognition, listening comprehension, etc. can cultivate students' perceptual action ability and accelerate their language development.