The aura manifestations of cerebral infarction include the following points: 1. decreased muscle strength. Some patients with cerebral infarction may experience weakness of one side of the arms and legs 1-3 days before the onset of the disease, which may be transient or persistent. 2. Abnormal sensation. Some patients with cerebral infarction may feel numbness in the corners of the mouth and pins and needles, insect bites and burning sensation in one side of the limb, etc. 3. Slurred speech. Patients with infarction of the left cerebral hemisphere are more likely to have symptoms of slurred speech.4. Facial palsy. Most of the patients with cerebral infarction will have symptoms of central facial palsy, such as distorted corners of the mouth and shallow nasolabial folds. 5. vertigo. The appearance of vertigo is mostly a precursor of posterior circulation infarction, such as brainstem infarction and cerebellar infarction. 6. Altered consciousness. Decreased level of consciousness and decreased range of consciousness, including drowsiness, lethargy, coma, etc., may occur.