This research discusses the lexicon used for traditional technology systems in the Tolaki community. Lexicon is a language component containing information about the meaning and usage of words, the richness of words a language has. Lexicon runs into a shift due to certain factors such as changes in norms, culture, and environment and the development of science and technology. The level of shift and the change in the meaning of the lexicon for traditional technology systems in Tolaki community, Konawe Regency, Southeast Sulawesi are analyzed with the method of qualitative descriptive analysis. The data are taken from written sources, literature studies, by examining and recording some lexicons from the book "Tolaki Culture" by Abdurrauf Tarimana. This book discusses the lexicon used for traditional technology systems in the Tolaki community. The validation of the data is then substantiated by questionnaire distribution in which the informants fill in lexicon data for agricultural technology systems and imply them in Tolaki language. The lexical-semantic theory by Pateda is applied and the results of the data analysis show that the lexicon for agricultural technology system in Tolaki is extinct and undergoing a shift. 115 lexicons of traditional technology systems are analyzed and among them are 50 (44%) lexicons undergoing extinction, 29 (25%) undergoing a shift, and 36 (31%) undergoing no shift.