The human species, which was completely dependent on nature in its early periods, experienced both physiological and intellectual changes in various periods. Human thought systems and styles have also undergone many significant changes over time. We can examine the development of thought systems, which are extremely important in the emergence of modern society and culture, in a sociological context in a particular order. In this study, the relationship between mythology and religion is discussed in the context of mythological thinking and religious thinking forms. The subject of belief has key features in thought systems and changes. These processes of change in people can be seen in the form of various elements in their narratives, philosophies, beliefs, and traditions. Myths, which are an important part of human culture, can reflect the change of thought of people from an only source in terms of their common handling of narratives, philosophies, beliefs, and traditions. The subject of religion and belief in myths and mythologies is also particularly important and comprehensive. One of the reasons for this is the relationship between mythological and religious thinking forms. In this study, first, the thought systems of human society and the change in these systems are discussed. In this section, mythological thinking and religious thinking styles are tried to be explained in social and cultural contexts. Then, various information about the myth genre is given and explanations are made about the relationship between mythology and religion in the context of mythological thinking and religious thinking forms. After the information given and the explanations made, it is tried to conclude. In this context, it is seen that the relations of “belief, imagination, fiction, and ritual” are common in religions and myths in the transition from religious thought to mythological thought.