Mild cerebral infarction at the age of 42 generally does not affect life expectancy, but patients should actively cooperate with the treatment, regular review, and do a good job of prevention. Mild cerebral infarction in 42-year-old patients, mostly due to the small infarct area, lesion location for non-functional area and better collateral circulation, may only appear local limb activity disorder, crooked mouth and other symptoms, infarction is no longer further aggravation, generally does not affect the life of patients. Patients with mild cerebral infarction at the age of 42 should improve their living habits, quit smoking and limit alcohol, and reduce the intake of sugar and oil. Eat more cereals, fresh vegetables and fruits, and ensure proper exercise. You need to actively cooperate with the treatment to prevent the second attack of the disease, so as not to aggravate the condition and affect life expectancy. If 42 years old suffers from mild cerebral infarction, should promptly consult the doctor, under the guidance of the doctor to take the appropriate treatment program, to prevent the patient’s life safety caused by adverse effects.