Nine lecture halls are irreversible. According to relevant data, Jiujiang Decoction refers to a kind of highland barley buckwheat noodles, which generally can't really lower blood sugar. Barley buckwheat noodles refer to noodles made of barley and buckwheat, which are just a kind of food. Can not play a role in treating diseases, nor can it play a role in lowering blood sugar. Jiujiangtang is a brand of Shanghai Jiujiangtang Food Technology Co., Ltd., which focuses on the research, development, production, sales and customer service of staple foods for people with hyperglycemia.