For three year olds with hard earwax in their ears, it is recommended to go to the hospital to have the hard earwax removed with the help of a medical professional. Common methods include direct removal, suction, and flushing. 1. Direct removal: If the earwax is small and superficial and there is no narrowing of the external auditory canal, the earwax can be removed directly with instruments specialized in ear, nose and throat (ENT), such as cerumen hooks, etc. The earwax can be removed directly with instruments specialized in ENT, such as cerumen hooks. 2. Suction method: If the cerumen is hard, large and has poor mobility, the cerumen can be softened with 5% sodium bicarbonate solution, and then gently sucked out with a suction device under the otoscope in the external auditory canal. 3. Rinsing method: after softening the cerumen, use the external ear canal rinser, usually apply warm saline rinsing, with the help of the force of the rinsing liquid reflux to flush the cerumen out of the child’s external ear canal. Three-year-old children with hard earwax in the ear, it is recommended that the hospital visit, the specialist to remove.