Dizziness and nausea when looking at the computer may be due to insufficient blood supply to the brain caused by the light from the computer stimulating the eyes, resulting in transient cerebral vasospasm, so there is dizziness, headache, and desire to vomit. This is a signal to the brain, the brain and visual organs have been very fatigued, handling the following: 1, should stop looking at the computer, pay attention to rest; can get up and activities, breathing fresh air; play tai chi, promote blood circulation, muscle and joint activities; 2, if still very fatigue, you can take a nap, eyes closed, so that the eyes and brain are relieved; 3, look at the computer dizziness, nausea may be due to cervical spondylosis. Patients need to go to orthopedics to do the appropriate examination and treatment.