Neurology examinations need to be decided according to the patient’s specific situation. Commonly used clinical tests, such as CT of the brain and MRI of the head, MRI mainly includes MRI and MRA, combined CTA of the head and neck if necessary, as well as cervical vascular ultrasound, EEG, electromyography, lumbar puncture and cerebrospinal fluid examination. In addition, there are blood tests, such as routine blood, liver function, kidney function, lipids, blood glucose, and homocysteine. In addition, the physician will also perform physical examinations based on the patient’s clinical presentation, such as cognitive function measurements, muscle strength, muscle tone, and ataxic movements.