Brain infarction can be mild or severe, and the severity depends on the location and area, and the prognosis varies. After cerebral infarction, there will be permanent residual lesions, but patients with minor cerebral infarction can be treated without sequelae and without affecting the quality of life, and the prognosis is better if detected early, but long-term medication is still needed to prevent recurrence of cerebral infarction. The severity and prognosis of patients with cerebral infarction are related to the site of cerebral infarction, whether it affects the corresponding functional area, the size of the infarct foci, the patient’s vascular condition, and whether the patient has risk factors such as hypertension, diabetes, coronary heart disease, atrial fibrillation, and a history of smoking and alcohol consumption. Generally speaking, for lacunar cerebral infarction with very small area, cerebral infarction in which the patient does not have severe stenosis of large blood vessels, and cerebral infarction in which the patient has few risk factors and mild symptoms, the patient may only have symptoms such as crooked mouth, hemiplegia, unfavorable speech, etc. It is necessary to make full use of modern diagnosis and treatment technology to clarify the causes of cerebral infarction, and if it can be detected at an early stage and targeted prevention and treatment can be carried out for the causes, the patient can live If the causes of cerebral infarction can be detected at an early stage and targeted preventive treatment can be carried out, patients can take care of themselves and even achieve a cure without leaving sequelae. For patients with sequelae, rehabilitation treatment should be carried out along with drug treatment to restore the patient’s motor and self-care ability, and pay attention to the patient’s psychological state to promote the patient’s return to the family and society, so as to achieve the purpose of curing cerebral infarction functionally. In conclusion, patients with early mild cerebral infarction can be treated without sequelae and reach the standard of clinical cure, but they should adhere to the corresponding drugs as prescribed by the doctors, control the risk factors and maintain a good state of mind to prevent the recurrence of cerebral infarction.