A naringin composition and preparations thereof are provided. The pharmaceutical composition comprises naringin and levocetirizine hydrochloride, and preferably, 27.5-275 mg of naringin and 1.25-12.5 mg of levocetirizine hydrochloride, where the preferred weight ratio of naringin to levocetirizine hydrochloride is 20:1. The pharmaceutical composition has good curative effects on cough and sputum production originating from various causes and on cough variant asthma. The efficacy of the pharmaceutical composition is obviously superior to that of naringin or levocetirizine hydrochloride that is used alone.