Dizziness in plateau reaction is due to a decrease in partial pressure of oxygen, which leads to a decrease in alveolar oxygen, a decrease in arterial blood oxygen level, and a condition of hypoxia in the brain. At this time, you can take oxygen measures to relieve the symptoms of dizziness, you can carry bottled oxygen to relieve the symptoms. If the symptoms are more serious should be treated early, you can take saffron to help treatment. If fever or dyspnea worsens, you should stay away from the plateau area and return to the plains as soon as possible. Otherwise, pulmonary arterial hypertension may lead to pulmonary heart disease, pulmonary edema and other symptoms, and in serious cases, it may even be life-threatening. Avoid entering the plateau area until you are fully prepared, and after returning to the plains, patients should go to the hospital for regular checkups to observe whether the arterial blood oxygen level has recovered.