Ground elm has no hypoglycemic effect. Diyu has the effect of cooling the blood and stopping bleeding (cooling and moisturizing the blood, preventing bleeding), detoxifying and astringing sores, and is used in accordance with the doctor’s instructions. Ground elm is a traditional Chinese medicine made from the root of ground elm or long-leafed ground elm of the genus Ground elm of the Rosaceae family, belonging to the antiemetic medicine. The taste of the ground elm is sour, bitter, astringent, slightly cold, to the liver, stomach, large intestine meridian, the main treatment of blood in the stool, hemorrhoidal blood, bloody dysentery, leakage (excessive menstrual flow or dripping more than one), scalded by fire, carbuncle, swollen and poisonous sores and so on, and the ground elm does not have the effect of lowering blood glucose. Note that ground elm is cold in nature, and should not be taken by people with deficiency cold. Specific medication should be carried out under the guidance of a specialist, not unauthorized use of medication.