Mental retardation caused by cerebral infarction is generally difficult to recover completely. In most cases, the recovery of mental retardation caused by cerebral infarction is not optimistic, because this kind of mental retardation is generally due to the damage to the patient’s brain cells and brain nerves, and the damage to the brain cells and brain nerves is generally irreversible, so the damage to the mental retardation is also irreversible. For patients with cerebral infarction, ischemia and hypoxia should be avoided to prevent aggravation of brain damage and deterioration of the condition. Nutritional nerve medications such as olanzapine capsules and cytosine sodium tablets can be used under the guidance of a doctor to nourish the nerves and improve the metabolism of the brain. If patients with cerebral infarction have symptoms of mental decline, it is recommended to consult a doctor in time and follow the doctor’s instructions for active treatment in order to prevent further progression of the disease.