Suddenly, the ear seems to be blocked by a layer of membrane and you can’t hear well, which may be caused by cerumen embolism, or sensorineural deafness, drug deafness and other factors. 1. Cerumen impaction: If there is a lot of earwax in the ear, cerumen may be formed, and when the cerumen blocks the outer ear canal, there will be a sense of ear blockage, so many people will feel that their ears can not hear clearly. 2. Sensorineural deafness: living in a noisy and quiet environment for a long time may cause damage to the eardrum hair cells, which will easily lead to ear blockage and stuffiness, and when it is serious, it will affect the hearing and lead to hearing loss. 3. Pharmacological deafness: such as long-term use of antibiotics may affect hearing, resulting in ear stuffiness, ear plugging, such as long-term use of diuretics, aminoglycoside antibiotics, etc., may cause a similar situation, if you do not suspend the use of medication in a timely manner, the symptoms may be present for a long time. Sudden hearing loss, inaudible and other symptoms, it is recommended to consult a doctor in a timely manner, and through a systematic examination to analyze the cause of the disease, and then according to the specific diagnosis of compliance with the doctor’s instructions to regulate targeted treatment.