High altitude reactions generally refer to plateau reactions, plateau reactions are a series of symptoms caused by the body’s difficulty in adapting to the changes in thin air, low oxygen and low pressure at high altitude after the body quickly reaches the area of 3000 meters altitude, which can be quickly relieved by the following methods: 1, rest: headache should stop activities, take a flat position to rest, reduce oxygen consumption, which can improve the headache symptoms of high altitude reactions; 2, oxygen absorption. Intermittent oxygen therapy can be given, each time oxygen for 1 hour, oxygen 4-5 times a day, can improve the lack of oxygen, headache and other symptoms; 3, rehydration: you can drink some glucose, improve their own energy supply, to help the body adapt to the plateau environment; 4, medication: oral acetaminophen, ibuprofen and other analgesic drugs, the headache is intense can be given dexamethasone, or intravenous drip mannitol, etc.; 5, relieve emotions: maintain a good If the symptoms cannot be relieved, you can leave the plateau area. If the symptoms worsen, you should go to the hospital immediately to prevent serious complications such as cerebral edema and pulmonary edema.