Context: Imagination is the constant dynamic factor in artistic and literary works, and Reflection on imagination based on Gilbert Durand's model is among the most widely used theories in this field. In his belief, the fear of death is the source of all human fears and governing his thoughts and behavior and the creation of artistic works is the artists' response to this constant fear; Therefore, imaginative images are reflected in all literary genres, especially literary works for children. Durand has categorized these images into two systems: the daily system (fear of time) and the nocturnal system of imagination (domination over time). The subject of this research is the analysis of the symbols and structures of the nocturnal system of imagination in the teenage novel The Fairies of Liasandmaris based on Durand's model of imagination.

Method and Research: This article uses a qualitative method and by selecting the research sample, the Durand's model has been used as the basis for analysis. in this study, the library method was used to collect data and the deductive-inductive method was used to analyze the data.

Findings and conclusions: According to the findings, the author, while reflecting on the symbols of the daily and nightly systems, considering the needs of this age group for spiritual and intellectual peace in the future path of life, he has been more inclined towards the structures of the nightly system. the mysterious structure is more prominent. Symbols of maternal matter and symbols of inclusion are more useful.