Female, 45 years old. She was admitted to the hospital with “numbness of the left lower limb for more than 1 month”. The patient had numbness of the left lower limb for more than 1 month. No symptoms such as dizziness, headache, nausea, vomiting, limb twitching, etc.; no weakness, limping. No lumbar pain, urinary and fecal disorders. He was seen at Houjie Hospital; cranial MR examination was performed, suggesting: bilateral frontoparietal cerebral infarction and bilateral middle cerebral artery initiation segment occlusion. Physical examination: conscious, answering tangential questions. There was no cranial deformity, bilateral pupils were equal in size and round with a diameter of about 3.0 mm, and light reflex was sensitive. No abnormal secretions were seen in the external auditory canal and external nostrils bilaterally. The bilateral nasolabial folds were symmetrical. The tongue was extended centrally. There was no resistance in the neck. The muscle strength of the extremities was grade IV, with normal muscle tone and normal tendon reflexes. The left lower extremity had hypoesthesia. Bilateral lower extremity baroreflex signs were negative. The cranial MR examination suggested bilateral frontoparietal cerebral infarction and bilateral middle cerebral artery occlusion at the beginning. On 2010-12-21, Li Shaopeng of the Department of Neurosurgery of Dongguan People’s Hospital performed a whole brain angiography under local anesthesia in the interventional room. On 2010-12-31, a right superficial temporal artery angular gyrus artery anastomosis was performed under general anesthesia, and the superficial temporal artery was separated from the superficial temporal artery and the angular gyrus artery was anastomosed through the temporal muscle one week after the surgery.