The causes of itchy ears include inflammation of the external auditory canal, eczema of the external auditory canal, fungal infections, etc., which can be treated with oral medications and local ointments. 1. Otitis externa: Otitis externa can cause itching in the ear, and can be treated with antimicrobial ear drops, including ofloxacin ear drops, levofloxacin ear drops, etc. If there is pus oozing out, wash with hydrogen peroxide first. If there is pus oozing out, use hydrogen peroxide to clean the ear before dropping. 2. Eczema of the external auditory canal: Eczema can be flushed with hydrogen peroxide in the ear, or local application of mometasone furoate ointment to treat eczema, combined with oral antihistamine such as loratadine. 3. Fungal infections: local antifungal ointment can be used for treatment, such as miconazole cream, ketoconazole cream and so on. Ear drops can also be used for treatment, such as salicylic acid ethanol solution, 75% ethanol solution, etc., to inhibit the growth of fungi. It is recommended that patients go to regular hospitals for timely consultation, and the above drugs should be used according to medical advice.