Dizziness lasting for a few seconds can be seen in physiological causes, otolithiasis, cervical spondylosis and vestibular paroxysm. 1. Physiological causes: excessive fatigue, lack of sleep, work intensity, etc., the human body for a long time, high tension, but do not get enough rest, the brain is in a state of oxygen deprivation, dizziness and fatigue can occur, usually after rest can be restored. 2. Otolithiasis: otoliths may be detached from the cystic spot when the elliptic capsule degenerates spontaneously, and deposited on the posterior jugular ridge, causing positional vertigo symptoms. 3. Cervical spondylosis: due to long-term posture or poor sleeping posture, resulting in cervical spine hyperplasia, deformation, degeneration, neck muscle contraction, arterial blood supply is blocked so that insufficient blood supply to the brain is the main cause of dizziness, dizziness is obvious when the neck is moving. Dizziness is obvious when the neck is moving. Often the neck is tight, flexibility is limited, there is occasional pain, numbness and coldness of the scalp and fingers, shoulder pain, a feeling of heaviness, and even accompanied by nausea, panic and other symptoms. 4. Vestibular paroxysm: It is mainly manifested as repeated episodes of rotational or non-rotational vertigo, which lasts for a few seconds to a few minutes, often accompanied by postural gait instability and frequent episodes. It is recommended that patients who experience vertigo lasting for a few seconds go to the hospital for a timely examination and follow the doctor’s instructions for treatment.