The following types of symptoms are common in frontal lobe cerebral infarction: I. Motor disorder, frontal lobe infarction may occur motor disorder of the contralateral limb, which is manifested as mild hemiparesis. Second, sensory disorder, there may be a certain degree of contralateral limb sensory disorder, usually superficial hyperalgesia. Third, mental symptoms, the frontal lobe is in charge of higher cognitive functions as well as mental and behavioral, when there is infarction, there is a possibility of organic mental disorders, sometimes manifested as gibberish, and hallucinations may also occur. Fourth, ataxia, frontal lobe infarction may occur ataxia, resulting in uncoordinated limb activities, unsteady walking, double upper limb fine motor difficulties. Fifth, language dysfunction, frontal lobe infarction can cause aphasia, generally common motor aphasia, manifested in the inability to speak, or difficulty in finding words, speech is not fluent, but can understand others.