Standing up dizziness after sitting for a long time is a common clinical manifestation in life, and the common causes are mainly the following: First, postural hypotension, which is due to the fact that most of the blood gathers in the lower part of the body when sitting for a long time, and the blood is too late to redistribute when getting up, causing transient ischemia and hypoxia in the brain, resulting in dizziness, blackness in front of the eyes, unsteadiness in standing and other clinical manifestations, which generally do not require too much treatment, and usually The second, cerebral artery blood supply deficiency, the disease is due to atherosclerosis caused by chronic ischemia and hypoxia of the brain, sedentary body blood circulation is not more likely to aggravate the above-mentioned conditions, causing dizziness, headache, nausea, tinnitus and other clinical manifestations, taking blood plug soft capsule, ginkgo biloba and other drugs can be symptomatic treatment; third, cervical spondylosis. Third, cervical spondylosis, prolonged fixed posture is prone to induce cervical spondylosis attacks, dizziness, neck and shoulder muscle pain, limb numbness and other clinical manifestations, improve the cervical spine examination can be clearly diagnosed, taking cervical rehabilitation particles can improve the symptoms.