This research presents the use of Grammarly software in mastering paragraph writing: A systematic literature review. Writing is an essential skill in language learning development, and it is compulsory to be mastered by the EFL students in writing paragraph and improve their writing skills. However, there are a lot of students who have difficulty in writing paragraph such as grammatical error, spelling error, and ect. The researcher used Systematic Literature Review approach with a descriptive study as the research design. The subjects were ten articles. In collecting data the researcher used PRISMA flow diagram, inclusion and exclusion as the criteria of the articles. The findings of this study showed there are several benefits that helps students in correcting the mistakes that students often experience when they write, including: being able to identify errors which include organization, diction, language use (grammar), and mechanics (spelling), and punctuation). Therefore, by using this software students find out the errors contained in these categories. In addition, Grammarly's role in increasing students' writing capacity is by providing automatic feedback quickly and also from the results of the feedback students can learn in more detail how to write well and correctly and students also get additional lessons from the feedback. The researcher suggested the teacher to use this software in their teaching and learning activities because this software really helps teachers to provide more creative and innovative methods. Then, it is very helpful for students in correcting the results of their writing by automatically feedback. Even though Grammarly software has been proven to have a very large impact on student development in terms of writing, it seems that the software still has shortcomings such as in providing feedback with language structures that are still poorly understood. The conclusion show that a combination between Grammarly feedback and manual feedback is needed to make our writing satisfactory and it spite of our error writing. Keyword: Grammarly Software, Paragraph Writing, Systematic Literature Review