培智学生由于大脑皮层的损伤,造成他们的语言发展普遍存在着较大的问题。而语言是培智学生思维和智力发展的重要方面。语言水平的提高有助于培智学生其他技能的进步,不会说话、缺乏沟通的学生智力发展受影响,学习速度慢。因此, Pei-chi students due to the damage of the cerebral cortex, resulting in their language development, there are widespread problems. Language is an important aspect of training students’ thinking and intellectual development. The improvement of language proficiency helps to improve students’ other skills, can not speak, and the lack of communication affects the intellectual development of students who suffer from slow learning. therefore,