Patient: Li Moumou, male, 30 years old, complained of “deformity, pain, and dysfunction of the right upper limb caused by a car accident for 12 hours” Diagnosis: 1, left brachial plexus injury; 2, left humerus fracture Zhou Zhenyu, Department of Orthopedic and Traumatologic Surgery, Jinan General Hospital of the Military Command Treatment: left humerus cut and reset with plate internal fixation + brachial plexus probing and repairing under general anesthesia Nerve repairing mode: C3 translocation repairing the distal part of C5; bridging the proximal end of C5 to the distal part of C6 with C7; C4 combining with phrenic nerve repairing C8, T1 Brachial plexus diagram Probing and cutting The total brachial plexus was seen to be avulsed in the surgery after brachial plexus repairing.