Mild hypoxic-ischemic encephalopathy in adults may recover completely or mostly with aggressive treatment; some severe hypoxic-ischemic encephalopathy may have sequelae. Adults with hypoxic-ischemic encephalopathy need to be treated as early as possible, which is an important factor to improve the prognosis. 1. Mild ischemic-hypoxic encephalopathy: Adult ischemic-hypoxic encephalopathy may be caused by vertebral artery-type carotid spondylosis, transient ischemic attack and other factors, and usually requires timely treatment in hospital. Mild ischemic ischemic encephalopathy can be completely cured or basically cured through medication and rest. 2. Severe ischemic-hypoxic encephalopathy: Severe ischemic-hypoxic encephalopathy may cause necrosis of the cerebellum, cerebral cortex, basal ganglia and other parts of the brain, and after treatment, the patient may suffer from epilepsy, dementia, hemiplegia and other sequelae. Adults with hypoxic-ischemic encephalopathy need to go to the hospital as early as possible and be treated under the guidance of doctors in order to achieve a better prognosis as far as possible.