Objective:Provide anatomic basis for the vascularized spine scapula flap in occipito cervical fusion.Methods:30 adult cadavers perfused with red emulsion were dissected and observed for the superficial branch of the transverse cervial artery.Results:The spine scapular branch and trapezius muscle branch are two main branches of the superficial branch of the transverse carvial artery.The external diameter of the spine scapular branch is 1.6±0.3 mm,and is 4.9±0.6 cm in length. The trapezius muscle branch devides into ascending and descending bra...