This study aims to determine the results, Do the EFL students with GPA 3.5 and above and students with GPA below 3.5 commit plagiarism because of the same factors when writing scientific works and what are types of plagiarism practiced by the EFL students in writing scientific works. The method used in this research is a qualitative descriptive method. Data collection for this research was carried out by interviews. The participants in this research were 8 EFL students, 4 of whom had a GPA above 3.5 and 4 of whom had a GPA below 3.5 who committed the worst acts of plagiarism. The results of this research indicate that there are the same factors in committing acts of plagiarism by EFL students. Factors involving plagiarism are (1) short deadlines, (2) lack of knowledge about writing scientific works, and (3) ease of internet access. Then, the types of plagiarism carried out are (1) Taking other people's ideas (2) Taking other people's writing and (3) Taking the entire work of others.