Application of litchi rind polyphenol to preparation of medicines or health products for reducing triglyceride of liver

The invention discloses application of litchi rind polyphenol to preparation of medicines or health products for reducing triglyceride of liver. Lots of experiments show that litchi rind polyphenol from litchi peels can effectively reduce cholesterol, triglyceride and low-density lipoprotein cholesterol of liver to effectively reduce fat accumulation in liver. Therefore, the litchi rind polyphenol can be used for treating related liver diseases such as non-alcoholic fatty liver disease.