Hubei dwarf lilyturf tuber hetetopolysaccharide for curing type II diabete and preparation method thereof

The invention provides a traditional Chinese medicine for curing type II diabete, which is Hubei dwarf lilyturf tuber hetetopolysaccharide extracted by taking Hubei dwarf lilyturf tuber as a raw material. The traditional Chinese medicine has obvious effects of reducing blood sugar of mice with the type II diabete, obvious effects of reducing insulin resistance and the effect strength of the traditional Chinese medicine has no statistical difference from that of rosiglitazone. Compared with the rosiglitazone, the hetetopolysaccharide can better reduce blood total cholesterol and triglycercide, improve ratio of high-density lipoprotein to low-density lipoprotein, and effectively prevent and curing arteriosclerosis and thrombosis.