Hard lumps inside the ear may be foreign bodies, cerumen, osteoma, etc. Tools can be used to remove foreign bodies and cerumen, and surgery can be performed to treat osteoma. 1. Foreign bodies in the external ear canal: After flies, mosquitoes, beans, small stones, etc. enter the external ear canal, you should go to the hospital in time to take them out, and the doctor can take out the foreign bodies with tools such as tweezers. 2. Cerumen embolism: for treatment, use sodium bicarbonate ear drops to soften the cerumen and then clip it out with tweezers. If it is difficult to remove the cerumen with forceps, suction method or rinsing method can be used. 3. Osteoma of the external auditory canal: It is formed by bone proliferation in the external auditory canal. If the osteoma is too big and affects hearing, it can be treated by surgical removal. It is recommended that the patient should consult a doctor to check the cause of the hard lump in the ear, and standardize the medication and treatment under the doctor’s guidance.