本文对留学生汉语写作中标点符号的使用进行考察,指出标点符号的偏误类型主要是书写错误、该用未用、使用单一、使用错误和格式不对,偏误的原因在于句标记观念的缺失、语段表达能力的不足以及母语的负迁移。本文还提出了相应的教学策略:加强句标记的教学、提高学生的语段表达能力、对比分析讲清标点符号的功用和使用注意事项。 This paper examines the use of punctuation marks in Chinese writing by overseas students. It points out that the types of punctuation marks are mainly writing mistakes. The reasons for this mistake are unused, single use, wrong use and incorrect format. Lack of discourse ability and negative transfer of mother tongue. This article also puts forward the corresponding teaching strategies: strengthening the teaching of sentence marking, improving students’ ability of expressing in different stages, comparing and analyzing the functions and precautions of punctuation.