Hard lumps in the ear are considered to be caused by cerumen embolism, mold infection, foreign bodies, etc., and can be treated accordingly for different diseases. 1. Cerumen embolism: If a large amount of cerumen accumulates in the ear canal, it is easy to form cerumen embolism. It is recommended that patients use sodium bicarbonate ear drops in the ear 3 times a day for about 10 minutes each time. After 3-5 days, the cerumen will soften and then go to the ENT department of the hospital, and the doctor will remove the cerumen under the otoscopy, suction with suction device, or remove the cerumen by flushing the ear canal. 2. Mold infection: A large amount of mold grows in the deep part of the external auditory canal, resulting in tinnitus, hearing loss, and the symptom of hard lumps in the ears. It is necessary to go to the ENT department of the hospital and have the doctor clean up all the secretions in the external ear canal, and then use anti-mold ointment to apply, such as miconazole ointment, amphotericin B ointment and so on. Usually after 7-10 days of treatment, the condition can be effectively controlled. 3. ear canal foreign body: hard lumps in the ear may also be a foreign body, commonly found in children. Need to go to the hospital as soon as possible to the Department of Otorhinolaryngology, through professional means to remove. Hard lumps in the ear, it is recommended to go to the hospital ENT department in a timely manner, improve the examination, clarify the cause of the disease, and give targeted treatment or treatment.