The aim of this study is to evaluate the impact of the change in the vision of vocational education within the scope of the "Modernization of Vocational and Technical Education Project" (MTEM) and "Strengthening the Vocational Education and Training System" (MEGEP) financed by the EU, which was concluded by the Ministry of National Education. Vocational education is a type of education that increases the employability of students by providing vocational skills and is very important in the economic development of countries. Vocational education has gained even more importance in recent years due to the increasing need for human resources. This increasing importance obliges to take some decisions about education locally and to transfer some responsibilities to local administrations as a means of development and development. In addition to this, it is necessary to set standards for each occupational group for an advanced vocational education and citizens to take responsibility for a qualified vocational education. In the relevant literature review, it was seen that there are limited studies that evaluate the policies and practices vocational education that Turkey has been involved in and implemented in the European Union harmonization process in a holistic manner. In this study, which was conducted based on qualitative research method, a holistic single case design was used and the data was analyzed by document analysis method. A total of seven documents were reviewed within the scope of the study. This study evaluates the studies on the development and standardization of the vocational education system through the projects made on this subject and sheds light on the development of the last twenty years.