A Study on the Phenomenon of Negative Transfer in Online English Vocabulary Learning—A Case Study of Senior Three Students in Tuhuang High School

语言负迁移指在学习第二语言时，由于母语的语言规则不符合外语的习惯，而对外语学习产生的消极影响。基于错误分析理论，本文借助问卷调查法探究线上的学习环境是否对词汇学习有影响。结果表明，出现频率最高的词汇错误是词性错误和词形错误。线上教学环境中，学生自主学习能力和家长与教师的监督对词汇负迁移的产生具有突出影响。因此，本文提出以下解决策略：主动学习、创新教法、互动教学、以评促学和家庭关怀。Negative language transfer refers to the negative impact on foreign language learning when learning a second language because the language rules of the mother tongue do not conform to the habits of the foreign language. Based on error analysis theory, this paper explores whether online learning environment has an impact on vocabulary learning by means of questionnaire survey. The results show that the most frequent lexical errors are part-of-speech errors and morphological errors. In the online teaching environment, students’ autonomous learning ability and the supervision of parents and teachers have a prominent impact on the negative transfer of vocabulary. Therefore, this paper puts forward the following solutions: active learning, innovative teaching methods, interactive teaching, evaluation to promote learning and family care.