Tinnitus is related to altitude, and it is possible to experience tinnitus as a result of altitude sickness. Oxygen is thinner in plateau, and the change of air pressure will be bigger. After entering the plateau, the human body can not adapt to the changes in air pressure, hypoxia and oxygen metabolism disorder can occur, resulting in the occurrence of plateau reaction. Dizziness, nausea, vomiting, tinnitus and other symptoms may occur. Due to the low air pressure in the plateau environment, people who first arrive at the plateau may experience an imbalance of air pressure inside and outside the tympanic chamber, which may lead to collapse of the tympanic membrane and symptoms such as tinnitus, stuffiness in the ears, and hearing loss. Patients with plateau reaction sometimes have tinnitus, but tinnitus is not necessarily caused by plateau reaction, it is recommended to go to a professional ENT department for detailed examination to confirm the diagnosis.