High cholesterol is produced by reducing triglyceride, high cholesterol or low density lipoprotein increased high density lipoprotein. Hyperlipemia symptoms was not obvious, is often neglected, but clinically proven disease of tall blood fat is the culprit of cardiovascular and cerebrovascular disease, if not treated in time, extremely easy to induce coronary heart disease, stroke and hemiplegia. Oligochitosan can activate the lipolytic enzyme effectively, excess fat decomposition and excretion. Fat is with anionic groups, chitosan is a cationic groups, anion and cation binding and excreted, reducing body fat accumulation. But cos can regulate the function of the liver, to achieve normal blood lipid.