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Objective Based on the main morphological traits and chemical constituents of 42 Glycyrrhiza uralensis Fisch.germplasm in China; the genetic diversity of them was analyzed comprehensively.Methods Twelve morphological traits and five kinds of chemical components of Glycyrrhiza uralensis Fisch.germplasm transplanted in the same place were collected.The genetic diversity index and coefficient of variation were calculated; using cluster analysis and principal component analysis for statistical analysis.