The efficacy of Glycerol Fructose Injection is to reduce intracranial pressure and improve microcirculation. The main ingredients of Glycerol Fructose Injection are glycerol, fructose, sodium chloride, which is generally applicable to increased intracranial pressure and cerebral edema caused by cerebrovascular disease and traumatic brain injury. 1.Lowering intracranial pressure: Because glycerol fructose is a hypertonic preparation, it can dilute blood and reduce edema around the brain. The effect is slow but lasts for a long time. 2. Improvement of microcirculation: Glycerol fructose is a kind of high-energy liquid, which can produce heat in the body and increase the oxygen consumption of brain tissue, so as to achieve the effect of enhancing the metabolic capacity of the brain and cell viability. 3. Hypertonic dehydration: in glycerol fructose injection, fructose is used as energy support, glycerol is involved in brain metabolism, and sodium chloride regulates electrolyte balance, so the general use of this drug can reduce the risk of hyponatremia. Patients with cardiac insufficiency, renal insufficiency, fructose intolerance should use this drug with caution, and other patients should be under the guidance of a doctor and pay attention to any complications.