Abstract: This research entitled “Language Use of Merchant’s Community in South Sulawesi. The objective of this research is to describe the language uses by the merchant to the buyer when transaction in traditional market of Rappang, Sidrap regency. This research used Dell Hymes theory, that is SPEAKING. The method of this research is descpritive qualitative method to explain the language uses merchants’ community in traditional market of Rappang, Sidrap regency. The sample of this research were 4 merchants in traditional market of Rappang.