This study was conducted to examine the advantages and disadvantages of the Suggestopedia Method (SM) in English instruction, utilizing a systematic literature review. The study's sample consisted of 17 research articles identified through the purposeful sampling method. Google Scholar and Social Science Network search engines were used for data collection. Boolean expression and content analysis methods were employed for the analysis of the obtained data. The research revealed that the SM is a method that provides significant advantages to English instruction. It was observed that there is a meaningful difference in the advantageous aspect of the SM concerning its advantages and disadvantages in English instruction. Additionally, it was concluded that the SM supports foreign language acquisition as a whole. As a result of the systematic literature review, it was determined that according to some research findings the SM is directly related to the reduction of students' age and attitude. In this context, it can be suggested that the method can be used from the preschool level to higher education. In-service training can be organized to improve teachers' attitudes toward the SM. Furthermore, teachers from different disciplines can collaborate to assess the effectiveness of the method through collaborative studies.