Abstract: Short Story is an interesting object to discuss in Discourse Analysis. Short Story as one of the literature discourse becomes an interesting item for discussing related to the devices of grammatical cohesion. In this investigation, researcher focused on Conjunction as the one of devices in Grammatical Cohesion. This investigation described on the form and function of Conjunction in the “Selected Kompas’s Short Story by Seno Gumira Ajidarma”. The data source of this research was about the sentences or utterances that contain about Conjunction in this Selected Short Story. The type of this research was Descriptive Qualitative. The data collection technique used “simak-catat” method, then the data analyzed by “agih” method by “Bagi Unsur Langsung” technique. The results of this research are conjunction that consist of 11 types and their functions. The frequencies of additive conjunction in this analysis are 85 data. They are contradictory conjunction that consist of 22 data, causality conjunction are 15 data, alternative conjunction are 7 data, temporal conjunction are 7 data, concessive conjunction are 6 data, excessive conjunction are 2 data, sequences conjunction are 2 data, objective conjunction is 1 data, conditional conjunction is 1 data, and the manner conjunction is 1 data.