Scientific literacy plays an essential role in developing and strengthening teacher knowledge in line with the development of student knowledge. The study aims to identify the challenges and obstacles faced by science teachers in strengthening scientific literacy, what strategies and interventions can be used to improve teachers' scientific literacy and the effects of teachers' scientific literacy on student learning and achievement. This study used the PRISMA model, and 26 articles were selected to be analyzed to answer the research questions. This study focuses on empirical studies in 2019-2023 using two databases: Scopus and Web of Science (WOS). Five themes have been identified in the study: content knowledge, professional development, approaches, pedagogical content knowledge, and student knowledge.