The invention belongs to the technical field of medicines, and discloses aromatized Shuanghuanglian oral liquid and a preparation method thereof. Baikal skullcap roots are taken, soaked in added waterfor 30 minutes and decocted twice, decoction is combined, filtered and concentrated, the pH (potential of hydrogen) value of the decoction ranges from 1.5 to 2.0, heat preservation is performed for 1hour, standing is performed for 24 hours, the decoction is filtered and concentrated, the pH value is adjusted to be 7.0, and ethanol is added. 6-8 times of water is added to precipitates, the pH value is adjusted to range from 7.0 to 7.5, the precipitates are dissolved, and standing is performed for standby application. Immature flowers of dasystyle honeysuckle, weeping forsythia fruits and balloonflower roots are taken and decocted twice, decoction is combined, filtered, concentrated, cooled, added with ethanol and combined with Baikal skullcap root ethanol liquid, standing is performed for 24 hours, the mixture is filtered, and the Baikal skullcap root extract is added. Sucrose is added and dissolved in added water to prepare syrup, the syrup is combined with the decoction, and ethylp-hydroxybenzoate and benzoic acid are added, dissolved, added with water, homogenized, filtered, potted and sterilized. The aromatized Shuanghuanglian oral liquid relieves the exterior syndrome withdrugs pungent in flavor and cool in property, clears away heat and toxic materials, relieves cough, resolves phlegm and is used for fever, cough, multi-phlegm and pharyngalgia caused by wind-heat common cold.