The main causes of dizziness and brain swelling are as follows: 1. Considering that the brain is in a state of extreme fatigue, patients in the case of prolonged use of the brain, mental tension, and stress will lead to the patient’s brain is in a state of fatigue, and the blood supply to the brain will be relatively insufficient, and insufficient supply of oxygen will lead to the dilation of the patient’s cerebral blood vessels. Regulate and improve the oxygen supply to the brain, will lead to patients have dizziness, brain swelling, the feeling of mind, also accompanied by inattention, memory loss, slow reaction. 2, the problem of brain swelling head to consider is a sign of neurasthenia, neurasthenia patients will usually be more depressed mentally or dizziness, brain swelling, head, insomnia, forgetfulness, lethargy, tiredness, weakness and other problems, through the rest of the patients after the symptom can get better.