Babies love to scratch their ears may be caused by skin diseases, more cerumen, ear diseases, etc., which need to be analyzed specifically. 1. Skin diseases: seborrheic dermatitis or eczema may exist in the auricle or external ear canal, which will lead to obvious itching sensation in the ear, and the baby will show it by scratching the ear all the time. 2. More cerumen: more earwax will irritate the ear canal and make the ear itchy, and the baby scratches the ear to relieve the itching sensation. 3. Ear diseases: tympanitis, otitis media and other ear diseases can lead to tingling sensation and itching sensation in the ear, which can also make the baby show the phenomenon of scratching the ear. If the baby has been scratching the ear, you need to take the baby to the ear, nose and throat department, under the guidance of the doctor, choose the appropriate method of treatment.