“对于”是留学生使用时偏误率较高的一个介词。本文结合语料库对留学生使用该词的偏误情况进行了分析,归纳出四种偏误类型:遗漏、误加、错序和混用。最后,还提出了一些对对外汉语教材和教学的建议。 “For ” is a preposition with high error rate when students use it. In this paper, the corpus is used to analyze the errors of foreign students using the word, and four types of errors are summarized: omission, mistaken addition, wrong order and mixed use. Finally, some suggestions for teaching Chinese as a foreign language and teaching are also put forward.