The invention provides an essential oil component for treating rhinitis and application thereof, and relates to a medicinal oil composition. The essential oil is prepared by a method comprising the following steps: putting 1 to 5 weight percent of peppermint essential oil, 2 to 4 weight percent of frankincense essential oil, 2 to 6 weight percent of eucalyptus essential oil, 1 to 3 weight percent of thymus essential oil, 1 to 2 weight percent of lavender, 1 to 4 weight percent of juniperberry essential oil, 1 to 3 weight percent of tea tree essential oil, and the balance of carrier oil into a vessel, sufficiently stirring; standing for 10 to 15 minutes; stirring once again; and subpackaging the stirred mixed essential oil in bottles of between 5 and 10ml to form the essential oil for treating rhinitis. The essential oil component is prepared by taking the peppermint, the frankincense, the eucalyptus, the thymus, the lavender, the juniperberry and the tea tree essential oil as main materials and adding the carrier oil by virtue of reasonable collocation to form compatibility, belongs to a pure natural substance formula to avoid harm of western medicine to a human body, enables the medicaments to reach the focus directly, and is safe for clinical application. The essential oil component is particularly suitable for allergic rhinitis, sinusitis, rhinopolypus and hypertrophy of nasal cavity.