The causes of frequent dizziness on the sixth day of tooth extraction include psychosomatic and non-psychosomatic factors. 1. Psycho-psychological factors: panic, anxiety, tension and other emotions, these psycho-psychological factors will affect the vagus nerve reflex, causing peripheral vasodilation, reduced return blood volume, blood pressure drops, thus causing dizziness. 2. Non-psychological factors: postural factors can lead to dizziness, including sitting position and standing position, which will lead to reduced blood flow to the brain, decreased blood pressure, dizziness; there may also be bleeding from tooth extraction, infection, resulting in dizziness; if you suffer from cerebrovascular disease or cervical spondylosis, dizziness can also occur due to insufficient blood supply. It is recommended that patients should calm their emotions after tooth extraction, avoid tension and anxiety, try to rest in bed when dizziness persists, and consult a doctor in time when it is not relieved.