This research is a qualitative study that focuses on the experiences of teachers working in Turkish Ministry of National Education in the inservice training programs they receive through distance education, and aims to reveal the problems they face in this process and their suggestions for solutions to these problems. In this study, a case study was preferred to learn in detail the thoughts, perceptions, experiences, difficulties encountered in practice, and suggestions for improving the courses of teachers working in the institution about the in-service training courses they took through distance education between 2017 and 2021in Turkey. In the study, a non-probability sample type, quota sample, was used. The study group of the research consisted of 18 teachers from Eskisehir province in the Central Anatolia region in the 2020-2021 academic year. In this study, which was structured interviews as a data collection tool, the data obtained were analyzed by content analysis method. As a result of the research, the main problems experienced by the teachers during the process of receiving in-service training through distance education and the suggestions related to these problems were revealed in a systematic way. In order for teachers to use distance learning systems more effectively and efficiently, it will facilitate the authorities to consider each stage of the e-learning process (planning, design, development, evaluation, transfer and review) and to examine the eight dimensions of e-learning (Technology, Interface, Evaluation, Administrative, Resource Support; Ethical, Institutional) These results will contribute to the effective use of the distance education system, which is seen as an innovative and sustainable education model for teachers' professional development. It is vital that they are developed according to teachers' suggestions and expectations are met.