Mild cerebral infarction with tongue extension and left deviation for three months is still not well on the one hand, the recovery time may not be enough, on the other hand, the rehabilitation training is not in place. The recovery of cerebral infarction symptoms needs three to six months, which is the golden time for the recovery of symptoms. Mild cerebral infarction with left deviation of the tongue for three months is a common phenomenon, the patient is still in the recovery period, and it may be further improved after regular rehabilitation training. Clinical symptoms caused by cerebral infarction include tongue left deviation, the main method of recovery is rehabilitation training, the patient is not well in three months may also be the rehabilitation treatment is not in place, should be under the guidance of a professional rehabilitation physician to carry out rehabilitation training, such as often with the tongue against the inner side of the cheeks for tongue muscle training and so on. It is recommended that the patient should consult a doctor in time if there is any discomfort and receive standardized treatment under the guidance of a professional physician.