Babies always scratching their ears may be caused by curiosity, having earwax or eczema, otitis media and other conditions. 1. Curiosity: the curiosity of babies reaches a very vigorous stage after 3 months, they will start exploring from their own body, at this time, babies will not only scratch their ears, but also play with saliva, play with fingers, play with toes and so on. 2. Earwax or eczema: you can see if the baby has earwax, because earwax will make the baby always feel that the ear has a foreign body has been ringing. If not, you can see if the baby’s ears or the skin around the ears have eczema. 3. Otitis media: Babies with otitis media will experience pain and discomfort, and will scratch their ears, usually with crying. The baby always scratching the ear may also have other reasons, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.