Konjac glucomannan can effectively inhibit the absorption of cholesterol, bile acids and other lipolytic substances in the small intestine, promote the excretion of fat from the body, reduce the entry of fat and cholesterol into the blood, and reduce the total amount of triglycerides and cholesterol in serum, so it can play a role in preventing hypertension, hyperlipidemia and cardiovascular diseases. It has also become a scavenger of the gastrointestinal tract. A large number of studies show that the unique hydrogel fiber bundle of konjac can keep the intestine full, promote the physiological peristalsis of the intestine, soften the feces, speed up defecation, reduce the pressure of the intestine and relieve constipation.