Cerebral white matter degeneration is an imaging term. The causes of cerebral white matter degeneration are hypertension, diabetes, hereditary diseases, encephalitis, etc., as follows: First, hypertension, diabetes, hyperlipidemia, these diseases lead to atherosclerosis, which causes ischemia and hypoxia in the white matter of the brain, and therefore degeneration of cerebral white matter. For these diseases, it is important to control the risk factors, which can be relieved by taking statin, bai aspirin, and Chinese medicine that activates blood circulation and resolves blood stasis. Second, some hereditary diseases caused by, for example, adrenoleukodystrophy, there is no better prevention method for this kind of diseases. Third, other causes, such as craniocerebral trauma, encephalitis, carbon monoxide poisoning, etc., can also appear in the sequelae of cerebral white matter degeneration phenomenon.