汉字的心理贮存是汉字的正字法形式及其所附意义内容对应联系的心理表征，阅读心理词典因而有双层的心理结构；心理词典存在的基础是字词学习的心理机制；字词频率浓缩了字词的学习过程，代表了字词学习的程度，决定了字词的识别方式和知觉表征单元的大小；从字形视觉信息经过视觉信息的整合到达表层心理词典，再通达到深层心理词典是汉字阅读认知的历程 Psychological storage of Chinese characters is the psychological representation corresponding to the orthographic form of the Chinese characters and the accompanying meaning. Reading the mental dictionary thus has a double psychological structure. The existence of the mental dictionary is based on the psychological mechanism of word learning. The learning process of words, representing the degree of word learning, determines the recognition of words and the size of the unit of perceptual representation; from the visual information of the glyphs through the integration of visual information reaches the surface of the psychological dictionary, and then reach the deep psychological dictionary is The Cognitive Course of Chinese Character Reading