Earwax, medically called cerumen. It is usually a normal physiological phenomenon, but may also be caused by otitis media, fungal infection of the external ear canal, etc. Patients can follow the doctor’s instructions through local cleaning and the use of ear drops, etc. for treatment. 1. Physiological phenomenon: too much cerumen is usually caused by the exuberant secretion of ceruminous glands in the external auditory canal. If there is persistent blockage and the cerumen is very hard, the cerumen can be softened by sodium bicarbonate ear drops and then cleaned up with professional instruments in the hospital. 2. Otitis media: After suffering from otitis media, it will also lead to more cerumen in the ear, and the patients usually manifested as ear pain, ear canal water, hearing loss, etc. In this case, the patients can follow the doctor’s instructions to use ear drops to clean the cerumen. At this time, the patient can follow the doctor’s instructions to use of oxfloxacin ear drops and chloramphenicol ear drops and other drugs to treat the cause of the disease. The earwax may decrease after the otitis media is under control. 3. Fungal infection of the external auditory canal: it is manifested by a large amount of fungal mass secretion in the ear canal, which leads to the manifestation of more cerumen in the ear canal. Patients can follow the doctor’s instructions by using hydrogen peroxide solution to clean and keep the external auditory canal clean and dry. Treatment with tretinoin econazole and miconazole nitrate cream. Patients with more cerumen should go to the otolaryngology department of the hospital in time, under the guidance of the doctor after a clear diagnosis of standardized medication and treatment, do not self-medication, to avoid delays in the condition caused by adverse consequences.