This work, apart from the normal practice of Expression for citrus, employed Steam Distillation to extract Essential Oil (EO) and Hydrosol (HS) from Pomelo, a produce of Bali, New Taipei City, Taiwan, ROC. GC/MASS was engaged to analyze the chemical composition in EO and HS. There are 27 volatile compounds found in EO and 8 in HS. The main ingredient in EO is Limonene (61.03%), whereas linalool and linalool oxide together take up 64.25% of HS. HS also has 12.72% as α-Terpineol. EO and HS can be both utilized in cosmetics. In addition, HS can also be exploited in Aroma Therapy without dilution.