Objective: The HPLC examination method system has been established to analyze the quality of Magnolia and determine the content of its main medicinal composition Magnolol and Honokiol in order to ensure its officinal value. Method: HPLC was used to analyze the content of Magnolol and Honokiol in different parts of Magnolia from Zhangjiajie, Longhui, Enshi. Result: The HPLC method is rapid, accurate, and reproducible with ideal HPLC chromatograms. Conclusions: The content of Magnolol and Honokiol was ...