Dizziness and blackness in front of the eyes when standing up may be caused by overexertion and lack of rest, and may also be related to postural hypotension, hypoglycemia, anemia, cervical spondylosis, cerebrovascular disease and other diseases. 1, postural hypotension: standing dizziness, blackness and fainting are typical symptoms of postural hypotension, usually when standing, you should be well protected from rapid standing to prevent falls, and you can wear elastic stockings to increase heart Venous blood return to help relieve the symptoms; 2. Hypoglycemia: Patients with hypoglycemia, due to low blood sugar, will cause a lack of brain energy supply and symptoms of dizziness and blackness when standing. Mild hypoglycemia patients can help relieve symptoms by eating candy, cookies, glucose, etc. Severe patients are advised to go to the hospital for intravenous infusion of glucose to correct hypoglycemia and improve symptoms; 3. Anemia: Anemia patients have low red blood cell count and hemoglobin concentration in the body, which can cause ischemia and hypoxia in the brain, resulting in dizziness and blackness in front of the eyes. There are many kinds of anemia, so it is recommended that patients identify the causes of their anemia and then take targeted measures to relieve the symptoms. Patients should pay attention to adequate and balanced nutritional intake to help the body recover; 4, cervical spondylosis: when suffering from vertebral artery cervical spondylosis, cervical spine hyperplasia can compress blood vessels causing insufficient blood supply, thus causing dizziness and blackness when standing. Patients with cervical spondylosis should pay attention to rest and avoid prolonged head bowing, and can also use Chinese medicine treatments such as massage and acupuncture to help relieve symptoms; 5, cerebrovascular diseases: such as cerebral infarction, intracranial tumors, etc. Most cerebrovascular diseases have cerebral blood supply and insufficient oxygen supply to the brain, which causes symptoms such as dizziness and blackness in front of the eyes. It is recommended that patients with dizziness and blackness in front of the eyes that cannot be relieved for a long time should go to the hospital to find out if they have cerebrovascular disease, and if so, seek treatment in time to prevent the condition from worsening. Note: Dizziness and blackness in front of the eyes when standing can easily lead to a dangerous fall, so squat down and stand up slowly. If the symptoms do not disappear for a long time and are accompanied by other uncomfortable symptoms, it is recommended to go to the hospital to identify the cause of the disease and provide symptomatic treatment so as not to delay the condition.