本研究以广东省佛山市启聪学校启聪部九年级学生的书面语作品为研究材料,对初三聋生汉语书面语表达中用词不当现象进行分析，分析旨在总结出聋生书面中用词不当的特点其影响因素。 研究发现，初三聋生书面语中普通存在着用词不当现象。其中，实词使用不当多于虚词。具体表现为：实词使用不当按比重从高到低排序为动词、名词、代词、形容词、量词、数词、拟声词、叹词；虚词的使用不当按所占比重从高到低排序为助词、副词、语气词、介词、连词。其中，用词不当主要集中在误用、残缺、多余这三种类别中。在实词使用不当中，“误用”主要体现在趋向动词误用、具体名词误用等七方面；“残缺”主要体现在方位名词残缺、人称代词残缺等三方面；“多余”主要体现在趋向动词多余、能愿动词多余两方面。虚词残缺是虚词使用不当的典型体现，主要体现在动态助词残缺、程度副词残缺、语气词残缺等六方面。 论文在对聋生书面语中用词不当特点进行了分析的基础上，为聋生词语教学提供理论上的参考和实践依据。

This research based on the articles written by the students, in Grade 9, Foshan Qicong school, Guangdong Province. In this research, misnomer phenomenon in hearing impaired students’ written language have been analyzed. The purpose is to inspect the characteristics and causes of this phenomenon. As a result, we found that misnomer exit in hearing impaired students’ written language generally. As result showing, content words misnomer is more than function words misnomer in it. And, sorted by proportion, high to low, content words misnomer followed by verbs, nouns, pronouns, adjectives, numerals, quantifiers, onomatopoeia, interj. Function words misnomer followed by particles, adverbs, modal particles, prepositions, conjunctions. Misuse, missing, unnecessary are the main parts of misnomer in hearing impaired students’ written language. In content words misnomer, misuse mainly exists in directional verbs, common nouns, etc. And missing mainly exists in locality nouns, personal pronoun, etc. And unnecessary mainly exists in directional verbs and auxiliary verbs. What is more, the main part misnomer in function words is missing problem, including degree adverb missing, dynamic auxiliary missing, modal particle, etc. In sum, based on analysis about the characteristics and causes of misnomer in hearing impaired students’ written language, this research has offered theoretical reference and practical basis for teaching of impaired student.