The Eleusinian Mysteries are one of the Mysteries which were appeared in Egypt during the Ptolemaic period and continued in the Roman Era. They were performed in honor of Goddesses Demeter and Persephone, were among the most famous prominent, and elegant event of Greek mystery cults, celebrated by the Greeks. Although these Mysteries have been celebrated in a specific place, at Eleusis, a significant town in Attica about twenty-one kilometers northwest of Athens, from Mycenaean to Late Roman periods. As a result, Eleusis in Greece became an important religious center in Greek culture. There are a variety of stories and legends to be found around the theme of these Mysteries in Egypt. There is a set of Archaeological evidence for the existence of such Mysteries inside Egypt. And so on; this paper's goal is to explore the evidence of practicing these mysteries in Egypt through the investigations of both literary texts and the various artefacts.