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Plant diversity in Indonesia is a very big asset especially volatile oil content derived from various types of crops in Indonesia. Essential oils or also called volatile oil or essential oil is the term used for volatile oil. Grass essential oil of vetiver (Vetiveria Zizanioides L.) Obtained by steam destilation. Gas chromatography mass spectroscopy (GC-MS) is a dynamic method for the separation and detection of comfound-volatile compounds in a mixture. The purpose of this study was to determine the quality of vetiver oil from Garut Regency from two different places using gas coromatography - mass spectroscopy (GC-MS). Based on the results of gas chromatography - mass spectroscopy, the essential oil of H. Suganda fragrant roots identified 65 components or compounds, with the most dominant compound being isokhusenic acid, while the essential oils of vetiver campoeng garoet identified 79 components or compounds, with the most dominant compounds (3E) -5-Isopropyliden-6-methyl-3,6,9-decatrien-2-one.