Airplane ride will not have plateau reaction, earache by airplane is due to the change of air pressure, you can reduce the symptoms by swallowing and other actions. Plateau reaction refers to a series of symptoms, such as dizziness, headache, shortness of breath, vomiting, cyanosis, etc., that occur when a person arrives at a certain altitude and cannot adapt to the low-oxygen environment, and, in serious cases, it can develop into plateau pulmonary edema or plateau cerebral edema. The airplane cabin is in a closed pressurized environment, there is a continuous supply of oxygen, the air pressure in the cabin remains stable, so the airplane will not appear plateau reaction. While on the airplane, there is an earache, mostly due to changes in air pressure so that the formation of pressure differences between the inside and outside of the ear caused by swallowing, chewing, yawning and other actions to restore the balance of air pressure inside and outside of the tympanic chamber, alleviate the symptoms of earache. In general, the symptoms can disappear after getting off the plane, if the symptoms are still not improved after getting off the plane, it is recommended to go to the hospital in time.