Method for identifying radix achyranthis bidentatae adulterated radix cyathulae medicinal material and decoction pieces

The invention discloses a method for identifying radix achyranthis bidentatae adulterated radix cyathulae medicinal materials and decoction pieces, and particularly relates to the technical field of chemical detection. Comprising the following steps: S1, preparing radix cyathulae saponin B into a reference substance solution, and injecting the reference substance solution into a high performance liquid chromatograph for detection to obtain a high performance liquid chromatogram of a reference substance; s2, taking a test sample prepared from medicinal material or decoction piece powder of radix cyathulae to be detected, and injecting the test sample into a high performance liquid chromatograph for detection to obtain a high performance liquid chromatogram of the test sample; and S3, comparing the high performance liquid chromatograms of the reference substance and the test sample, judging the adulteration condition of the radix achyranthis bidentatae in the medicinal material and the decoction pieces of the r