[Objective]To explore and analyze Professor GUO Weifeng's clinical experience in treating posterior circulation ischemic vertigo. [Methods] By learning with the teacher, collection of relevant information and medical records ,to expound Professor GUO Weifeng 's academic thoughts and clinical experience in posterior circulation ischemic vertigo, from aspects of etiology, pathogenesis, and syndrome differentiation and treatment variation, prescription medication, summarizing the characteristics of his prescriptions and ways of treatment as well as exemplifying them. [Results] Professor GUO Weifeng through many years of clinical practice proposes that the basic pathogenesis of this disease is liver with kidney deficiency and hyperactivity of liver-yang. Because of its more associated with obesity and high blood pressure, high blood lipids, diabetes, always mingle phlegm and stasis. The main treatment method is to nourish the Yin of liver-kidney, pacify liver and extinguish wind. Then, transform phlegm and disperse blood stasis. If pathogenic into collateral for a long time,we need using insect drug for treatment. Clinical treatment should be based on positive and evil of the partial ups and downs, the disease of both, flexible adjustment of medication, it is not limited by present method. [Conclusion] Professor GUO Weifeng 's clinical experience in treating posterior circulation ischemic vertigo is effective and worthy of wide application.