Hungry people feel dizzy when they are hungry, especially diabetic patients are more likely to have hypoglycemic reactions when they are hungry, and when hypoglycemia occurs, clinical symptoms such as dizziness caused by insufficient blood supply to the brain. Ordinary people without diabetes are also prone to dizziness or peripheral weakness when they are hungry, because the body’s energy mainly comes from the water and grain essence in the diet, which is digested and absorbed by the spleen and stomach after transformation into the body’s energy. Once the body does not eat for a long time, the body lacks nutrition and the body’s energy is limited. At this time, the brain is in a state of insufficient blood supply and clinical symptoms of dizziness will occur.