Ears old itch at night may have the following conditions: 1, some patients have fungal infection of the external auditory canal, mostly secondary to the previous frequent use of antibiotic ear drops ear drops, resulting in the induction of secondary infection has a relationship. The performance of the night time ear tingling not accompanied by running water, hearing loss is not obvious. On clinical examination, the growth of fungal hyphae in the ear canal can be seen. For this situation can be applied to the ear canal some antifungal ointment, symptomatic treatment treatment. 2, the ear canal eczema, mostly manifested as itchy ear canal, yellow water flow and other related changes, the patient may be accompanied by other parts of the eczema. Should be anti-allergic ointment ear canal smear treatment, at the same time can be oral anti-allergic drugs for systemic treatment. 3, some patients may often long-term buckle ear canal, resulting in the ear canal deep in the ear canal, there are some tingling crumbs exist in the ear canal wall, long-term buckle lead to the barrier function of the ear canal subside, and the white residual foreign body stimulation of the ear canal, will lead to itchy ear manifestations, especially when the patient in the shaking of the head, itching may be more 4, the patient if the night is always itchy ear canal can not be ruled out is chronic suppurative otitis media, otitis media exudate, effusion stimulation of the ear canal wall has a relationship.