The invention discloses an application of a Chinese medicine composition to the preparation of a medicine for treating metabolic syndrome. Tests prove that the Chinese medicine composition has effects of reducing the blood sugar of the metabolic syndrome, regulating the blood fat, improving the impaired glucose tolerance and the like, and can also decrease the left ventricular end systolic volume, improve the systolic function of the heart and reduce the thickens of the carotid wall; moreover, while improving the heart function of the patient suffered from the metabolic syndrome, the invention can obviously improve the blood vessel function of the patient suffered from the metabolic syndrome, and has the effect of treating the metabolic syndrome.