A white granule inside the ear of an infant or young child may be caused by pathologic factors such as otitis externa, eczema of the ear canal, or cerumen of the ear canal. 1. Otitis externa: when the child’s ear is inflamed by various factors such as water in the ear, white particles inside the ear can appear. 2. Eczema of the external auditory canal: some infants and young children are allergic and often have eczema in the external auditory canal, which is manifested as pimples, herpes, and scaly hyperplasia after some of the skin breaks down, manifested as white granules. 3. Ear canal cerumen: infants and young children are more vigorous metabolism, when the ear canal is not cleaned up in time, ear canal cerumen, manifested as white particles inside the ear. There are other reasons for white particles inside the ears of infants and young children, and it is recommended to consult a doctor in time to find out the cause and cooperate with the doctor for treatment if necessary.