The invention provides a kudzuvine root-containing composition for treating hyperlipemia, and fulfills the aim of treating the hyperlipemia by protecting liver and reducing blood fat. In the technical scheme, the kudzuvine root-containing composition comprises the following raw materials in part by weight: 10 to 30 parts of kudzuvine root, 5 to 15 parts of silymarin, 5 to 15 parts of fragrant solomonseal rhizome, 15 to 20 parts of mulberry leaf, 10 to 30 parts of persimmon leaf and 10 to 30 parts of liquoric root. The invention also relates to a corresponding preparation method. The Chinese medicinal composition has the effects of protecting the liver, reducing the blood fat and treating the hyperlipemia.