The patient, a 51-year-old male, was admitted to the Department of Psychology of our hospital in 2020-10-05 because of “poor physique, mental abnormality and aggravation for 4 days”. Patients began to drink alcohol 20 years ago, drinking liquor 0.25Kg per day, there is morning drinking, physical condition has been OK. Before one month, poor appetite and food intake, weight loss, weight loss of more than 20 Kg, walking easy to fall, weak legs, has not been treated. Half a month ago, the patient stopped drinking, intermittent symptoms such as lethargy, hand scratching and nonsense, unstable walking, aggravated symptoms on October 1, and incontinence in the evening. On October 2, the family took the patient to the second Hospital of Mudanjiang for medical treatment. The wardrobe CT, DWI, biochemistry, blood routine and other related tests suggested multiple cavity infarction, due to the patient’s restlessness, head DWI was affected, not hospitalized and other special treatment.