This article refers to Mihai Eminescu's conception of poetry. In the text of the article are interpreted texts of ars poetica from the first, second and third phase of Eminescu's poetic creation. In the first phase of Eminescu's creation wed is cover the poet's preoccupation with reference to the creative act. The second period is the most generous in dealing with the theme of poetry, and the third phase demonstrates the consolidation of poetic consciousness.