错误分析是教师了解学生学习进程的佳法 ,使教学有预见性 ,为克服错误创造条件 ;学生解剖自己的错误会大幅度提高外语学习效率 ;多角度研究言语错误会促进应用语言学发展 ;改正错误是实施素质教育的佳径 Error analysis is a good way for teachers to understand the learning process of students, making the teaching predictable and creating conditions for overcoming mistakes. Students’ misunderstanding of their mistakes can greatly improve the efficiency of foreign language learning. Studying verbal errors from multiple perspectives can promote the development of applied linguistics. Error is the best way to implement quality education