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Objective To study the mechanism of acupotomy on cervical spondylopathy and its relative diseases by observing the hemodynamics of blood flow in the cervical vertebral artery and roentgenographic signs in cervical vertebral.Methods: The Vp□Vm□PI and RI were measured by Transcranial Color Doppler before and after acupotomy treatment; Furthermore, the roentgenographic variations such as the difference of the space of odontoid process-lateral mass □the difference between axial process and axes of odontoid process□double contour sign□the narrowness of interveterbral space□osseous hyperplasia □abnormal cervical curvature□the narrowness of interveterbral foramen, were also observed and measured before and after acupotomy treatment.