The present invention provides use of an adlay extract composition in the manufacture of a medicament of lowering triglycerides, wherein the adlay extract composition comprises a carbon dioxide supercritical fluid extract of adlay bran.本發明提供一種薏苡萃取組合物之用途,其係用以製造降低三酸甘油酯之藥物,其中該薏苡萃取組合物包含薏苡子麩皮之二氧化碳超臨界流體萃取物。