Sitting in the airplane ear can not hear may be affected by the air pressure in the ear, you can open your mouth to breathe or chewing gum, and then observe, the serious need to seek medical attention. 1. open mouth breathing or chewing gum: flying ear deafness mainly occurs in the take-off, landing process, atmospheric pressure changes lead to the human body’s back nostrils of the Eustachian tube abnormally open or closed, caused by the middle ear cavity negative pressure, tympanic membrane invagination. At this time, you can keep your mouth open and breathe or chew gum to promote the opening of the Eustachian tube, the middle ear internal and external pressure balance, and slowly relieve. 2. Observation: flying ear can not hear, half an hour to two hours off the plane, you can massage the tympanic membrane, ear hearing can be slowly recovered in general. 3. Medical treatment: If your hearing does not return to normal after getting off the plane, you should consider that the air pressure changes in the plane may damage the outer ear canal and tympanic membrane, which may cause secretory otitis media, and you should go to the hospital in time. When flying, you can use anti-noise earplugs to protect your ears, pay attention to open-mouth breathing and chewing gum, discomfort does not ease for a short period of time, it is recommended to consult a doctor in a timely manner, after a clear diagnosis and treatment.