Burdock, Chinese medicine, also known as Dali Zi, rat sticky son, the evil real. Long obovate, slightly flat, slightly curved, 5-7mm long, 2-3mm wide, gray-brown surface, with purple-black spots, there are several longitudinal ribs, usually in the middle of 1-2 more obvious. The tip is obtuse-rounded, slightly broad, with a ring on the top surface, and a punctate stylar remnant in the middle; the base is slightly narrower, and the bearing surface is lighter in color. Pericarp harder, cotyledons 2, yellowish white, rich in oil. Odorless, taste bitter and then slightly pungent and slightly numbing tongue. For the Asteraceae biennial herb burdock (scientific name: Arctium lappa L.) dry mature fruit. The fruit is harvested in the fall when the fruit is ripe in the sequence, sun-dried, beat down the fruit, remove impurities, and then sun-dried. It is used raw or fried, and mashed when used. It has the effects of dispersing wind-heat, declaring the lungs and transmitting rashes, inducing the pharynx and dispersing knots, and detoxifying the toxin and subduing swellings. It belongs to the dispersing wind-heat medicine in the antidepressant medicine. Modern research shows that burdock can also be used to prevent and control diabetic nephropathy; burdock fruit containing burdock glucoside hydrolyzed to generate burdock glucoside yuan with anticancer activity.