The objectives of this research were to 1) study the errors of using Chinese punctuation marks (标点符号) of 12 marks of students in the Chinese Language Program. The faculty of Humanities and Social Sciences at Phibulsongkram Rajabhat University is divided into 2 aspects: the use of Chinese punctuation marks and the selection of positions in the use of Chinese punctuation marks; 2) to analyze the causes of problems with the use of Chinese punctuation marks; and 3) to suggest guidelines for teaching and learning about Chinese punctuation marks in the future.

The results showed that the selection of Chinese punctuation marks the top 5 marks that students mistakenly chose were 1) 分号 (；) 2) 冒号 (：) 3) 破折号 (——) 4) 顿号 (、) 5) 省略号 (……) and in terms of Choosing were to use Chinese punctuation marks the top 5 marks that students make the most mistakes are 1) 书名号 (《 ​​》) 2) 顿号 (、) 3) 破折号 (——) 4) 省略号 (……) 5) 分号 (；).