The epic”Layli and Majnun” which is the third epic of “Khamsa” written by Alisher Navoi, the sultan of the word, consists of 3623 verses, in the text of this epic, Navoi used terms related to various sciences and professions of his time. In particular, terms related to the socio-political, military, economic, animal and plant world, related to the science of astrology (astronomy), meaning medical, musical, mineral names, related to science, related to religious concepts (theonyms), we can see that several terms related to tailoring and other such fields are skillfully used in the work. In this article, the terms related to the science of astronomy used in the work were thoroughly studied and analyzed. Acquaintance with the terms analyzed in the article helps to a certain extent in overcoming difficulties in studying Navoi's works. In addition, it serves as an important source for the history and development of the field of terminology.