Abstract: Through principal component analysis and cluster analysis to the 68 characters, it indicated that the main characters groups which affected lilies classify are as follows: flower comprehensive characters, leaf comprehensive characters, germplasm characters, andappendix characters.The analysis results also indicated that petiole, pedicel lenth, scale color, stem papillae and anther lenth were important class characters of wild lilies.The 25 characters choosed by principal component analysis and cluster analysis can reflect the difference objectively among different species, and divide these lilies into two groups.The morphology and phenological characters were described combination with ornament and garden’s needs.