This research aims to systematically examine the trend studies on teaching Turkish to foreigners, to identify trend, and to reveal the gap in the field. For this purpose, Web of Science, ERIC, Scopus, Tr Index, DergiPark, Google Scholar and YÖKTEZ databases were searched by considering the keywords and criteria determined. As a result of the search, 40 studies were accessed. The content of the relevant studies was analyzed with the MaxQda program by considering the research questions. In this study, which is conducted with the meta-synthesis method, it is determined that the trend studies in the field of teaching Turkish to foreigners were mostly published in 2023 and 2021. Examination of the data sources of the trend studies in this field reveals that YÖKTEZ is the most commonly used database containing the most number of theses in this field. In addition, it is determined that, mostly the distribution of approach/design/method of research, studied themes and the subjects, and the year of publication of the sources examined in these theses. In the related studies, the most commonly used method is document review/analysis and the data is subjected to content analysis. Additionally, no qualitative data analysis program was used throughout the research. It was observed that the aforementioned studies focused on bibliometric information. Based on the findings, it is recommended that systematic research to be conducted to provide an overview of the content (findings/results) of the studies.