Babies always scratching their ears in their sleep may be related to physiological factors, or it may be caused by eczema in the ear, otitis media and other reasons. 1. Physiological factors: For example, if there is a lot of cerumen in the baby’s ear, and the cerumen moves during sleep due to turning over, causing the ear to itch, the baby may always scratch his/her ear during sleep. In addition, the sleeping environment is too noisy, or the temperature is too high, causing the baby to feel uncomfortable, may appear to sleep always scratching the ear phenomenon. 2. Eczema in the ear: when the baby’s ear eczema, resulting in more small pimples on the local skin of the ear, resulting in itching and pain in the ear, may appear to sleep always scratching the ear phenomenon, as a way to relieve the itching and pain symptoms. 3. otitis media: because the baby suffers from otitis media, under the stimulation of inflammation, resulting in itching, pain in the ear, it may show that sleep is always scratching the ear, want to scratch the ear to ease the discomfort. The baby sleeps always scratching the ear, may also be related to other factors, parents should promptly help find the cause, if necessary, need to seek medical attention as soon as possible, clear causes, to give targeted treatment and conditioning.