The background of this study is to see the development of English Language Teaching (ELT) research in the English Language Education Department of UIN Walisongo Semarang. Mapping of trends and issues of English Language Teaching (ELT) research is needed as a way to prove its development. This mapping is done by analyzing the thesis of undergraduate students in the last three years (2019-2021). To collect the data, the researcher used documentation (library research). The analysis technique used is a content analysis study, so that indicated the research method used is a qualitative method. There are several sections that are analyzed to find research trends, namely research areas, methods, data analysis techniques, and educational context. From 121 theses that have been analyzed, it was found that there was a dominance of several studies related to research trends. It was found that in the scoping research area, speaking was dominant with a percentage of 30.58% (n=37). Then non-experimental became dominant compared to experimental in the scope of method with a percentage of 71.07% (n=86). Similarly, in the data analysis technique it was found that qualitative research got a higher percentage of 56.20% (n=68). On the other hand, high school seniors with a percentage of 33.88% (n=41) became the main basis for the educational context in conducting research. In addition, research issues were also highlighted in several dominant research issues, such as student learning problems and disabilities, teacher problems and differences in teaching, the technology development, and the development of curriculum. Almost all of the studies focuses on student learning problems related to using learning strategies as a solution. In addition, the learning strategies used are also related based on technology.