In this study, for examination quantity and quality essential oil of Stachys inflata, flowering branches of plant in early June were collected from three habitats, in Mazandaran province and then dried in the shade. The essential oils were obtained by steam distillation method and were analyzed by (GC/MC) and (GC) the oils yield were obtained in 1.3% to 2.9% and germacrene-D (8.7-16.9%) and bicyclogermacrene (11.2-16.6%) were the most constituents of essential oil in the same three regions.