“误用”和“缺位”是汉语学习中最常见的错误类型,尤其是在成语学习的过程中出现很多的误用,本文从书写、语义、语用三个方面总结韩国留学生成语习得中出现的一些偏误,并针对这些偏误出现的原因提出对策:增加对成语教学的重视,出版适合留学生使用的成语字典,增加留学生成语使用的练习。 “Misuse” and “absence” are the most common types of mistakes in Chinese learning. Especially in the process of idiom learning, many mistakes have been made. This paper summarizes three aspects of writing, semantics and pragmatics Some errors occurred in the students’ acquisition of idioms, and countermeasures against the causes of these errors: increase the emphasis on teaching idioms, publish idioms dictionaries suitable for international students and increase the use of idioms by students.