Baby old scratching ears may be related to the ear canal eczema, bathing in the ear into the water, upper respiratory tract infection secondary to otitis media and so on. 1. ear canal eczema: baby ear eczema, will cause the ear area to produce itchy symptoms, and in severe cases there may be yellow water, stimulate the skin, the baby will go to scratch the ear. 2. Water in the ear when bathing: water in the baby’s ear when bathing will cause cerumen swelling in the ear, stimulating the ear canal, causing itching sensation and the phenomenon of scratching the ear. 3. otitis media secondary to upper respiratory tract infection: some babies may develop otitis media secondary to respiratory tract infection, which manifests itself as pain in the ear canal, pus flow and other symptoms, and also the phenomenon of babies scratching their ears. The baby old scratching ears may be related to other reasons, it is recommended to go to the hospital in time to carry out relevant examinations, clear cause and symptomatic treatment.