The research analyzed lexical aspects which have correlation among the elements in cohesion discourse systematically in the texts of Melayu Deli Folklores. Its objective was to identify and to describe the type of lexical cohesion devices in the texts of the tales, “Hikayat Putri Hijau”, ”Dongeng Batu Belah Batu Betangkup” and “Panglima Nayan”. The analysis was focused on the types of lexical cohesion such as repetition, synonym, antonym, collocation, meronym, and hyponym. The background of the research was LSF (Systemic Functional Linguistics) with the study on the theory of cohesion discourse which states that social context can interpret language structure. The research used library research, descriptive qualitative approach, and primary and secondary data. The result of the research showed that there were the aspects of lexical cohesion such as repetition, synonym, antonym, collocation, meronym, and hyponym, and the most dominant aspect.