There is no fastest way to reduce the swelling of the swollen ear by mosquito bites, you can relieve and improve the symptoms through general treatment, medication and other ways to help reduce the swelling of the ear. 1. general treatment: avoid scratching to prevent infection after scratching; you can also use gauze to wrap the ice cubes, wrap the ice cubes in the swollen part of the ear, and continue to apply ice for 1-2 minutes, and pay attention to the interval after a period of time to prevent frostbite. 2. Medication: Compound menthol ointment can be used externally to relieve itching and pain symptoms, and glycerine lotion can be used externally for astringent and antipruritic treatment, as well as anti-inflammatory and antipruritic treatments such as mometasone furoate cream can also be applied under the guidance of a doctor. In severe cases, oral antihistamine or glucocorticoid medication is needed to relieve the symptoms of ear swelling. Due to the differences between individuals, there are differences in treatment effects, and patients should choose the method of treatment that suits them. If the symptoms of swollen ears after mosquito bites are more serious, you should go to the hospital in time.