Objective: To establish a method for determination of stilbeneglycoside and anthraquinone in Polygonum multiflorum Thunb by HPLC stimultaneously.Methods: The separation was performed on Agilent TC-C18(4.6mm×250mm,5μm) column with method-0.1% phosphoric acid water solution gradient elution.The flow rate was 1.0mL/min,the wavelength of UV detector was set at 254nm and the column temperature was set at 30℃.Results: The sample size of stilbeneglycoside and anthraquinone showed respectively a good linear relatio...