Six-month-old babies scratching ears may be related to otitis externa, eczema, otitis media, physiological factors and other factors. 1. otitis externa, six-month baby scratching ears may be the emergence of otitis externa, due to the external ear canal produces more inflammatory secretions, will lead to increased skin sensitivity, and therefore will produce discomfort, the emergence of the baby scratching ears symptoms. 2. Eczema, some babies scratching their ears is considered to be the emergence of eczema in the ear, due to skin tissue damage may produce more obvious itching of the erosion, so the symptoms of scratching the ear. 3. otitis media, if the baby has otitis media, there are more inflammatory secretions coming out of the ear, which may stimulate the ear skin, such symptoms. 4. Physiological factors: babies who are curious about their ears may also have similar ear scratching symptoms. Six-month baby scratching ears, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.