China is abundant in Codonopsis germplasm resources. But there’s little investigation work of Codonopsis resources had been done and due to a great many of introduction planting among different areas, it caused the code of germplasm resources and genetic relationship confused that makes the researching、conserving、appraising、utilizing and innovating of new Codonopsis ermplasm resources much difficult. The research adopted the technology of AFLP (Amplified Fragment Length Polymorphism), and to cons...