Dizziness and blackness in front of the eyes when standing up from squatting is usually caused by transient cerebral blood supply insufficiency, and several conditions of hypoglycemia and hypotension. Treatment can be applied in the following ways: 1, quickly establish intravenous channel, and according to the situation of blood glucose appropriate fluid supplementation, recommended to supplement more than 250ml of 5% dextrose injection, and observe the situation of blood glucose, such as blood glucose is too low, persistently lower than 3.9mmol/L, but also can be injected intravenously with high glucose, 20% glucose or injections and 50% hypertonic dextrose. 2, quickly replenish the liquid At the same time, we should also improve the examination, such as head CT, to determine whether it is caused by acute cerebral hemorrhage and acute cerebral infarction, such as acute cerebrovascular accidents must be aimed at cerebral blood vessels thrombolysis and hemostasis treatment. 3, sudden dizziness is caused by low blood pressure, then we should give, for example, the blood circulation drink and ginseng and wheat injections to raise blood pressure treatment.