Large yellow crusts in your baby’s ears may be cerumen, which usually does not require special treatment. It may also be caused by pediatric otitis media, external ear eczema and other diseases, which can be improved by medication and surgery. 1. Cerumen: Cerumen, which is mostly yellow and sticky, adheres to the ear and appears as a large yellow crust. It does not need special treatment and will be discharged with exercise and eating. 2. Pediatric otitis media: patients will have the phenomenon of overflow, overflow in the ear will lead to solidification of large yellow scabs, can be used under the guidance of the doctor cephalosporins and other drugs to control the infection, the condition of the emergency, but also through the tympanic membrane puncture surgery, mastoidectomy for treatment. 3. Eczema of the outer ear: patients due to the presence of yellow watery secretions, its solidification will be manifested as a large yellow crust, local oozing is more, you can follow the doctor’s instructions for the local use of boric acid solution, aluminum acetate solution to rinse treatment. The baby ear inside the large yellow crust causes more, the need for timely examination of the ear canal, and targeted treatment. Usually need to pay attention to ear hygiene, avoid water in the ear canal.