Dizziness and nausea when going to an Internet cafe may be due to more people in the Internet cafe, poor air circulation and lower oxygen content, which can easily cause brain hypoxia. When the cerebellum and brainstem are hypoxic, patients can experience dizziness, nausea, vomiting, balance disorders and ataxia. If the brain is hypoxic, the patient may experience blackness in front of the eyes, and may also experience headache, dizziness, and weakness of the limbs. In chronic cerebral hypoxia, it may cause ischemic-hypoxic encephalopathy, and patients may experience memory loss, inattention and lax thinking. In addition, when going to the Internet cafe is generally in a state of excitement and tension, excessive tension and excitement easily cause vasospasm, vasospasm may cause insufficient blood supply to the brain, the cerebellum, brainstem blood supply is insufficient, the patient can appear the above symptoms. There are more computers in the Internet cafe, easily make the human body a kind of visual fatigue, visual fatigue, patients often appear dizziness, nausea and other discomfort, so in general try to go to the Internet cafe.