Dizziness and brain swelling in young people are mainly considered to be caused by abnormalities in the regulation of brain nerve functions, mainly due to the following reasons: First, it is related to the patient’s poor lifestyle, if the patient often stays up late, sleep deprivation, and overuse of the brain, it will lead to the phenomenon of dizziness and brain swelling, and the patient may also be accompanied by poor concentration, memory loss, and sleepiness during the day. The second aspect is that dizziness and brain swelling in young people may be caused by hypoglycemic reactions. Patients who lose weight, diet excessively or starve or fast for a long time, resulting in low blood glucose in the body, too much glucose consumption and no timely replenishment will cause brain nerve dysfunction in patients and manifest symptoms of dizziness and brain swelling.