Burdock is a biennial herb, high 1 ~ 2m. Stems erect, purplish, more upper branches. Basal leaf clusters, large-shaped, with a long handle; stem leaves wide oval or heart-shaped, long 40 ~ 50cm, width 30 ~ 40cm, wavy edges or fine-tooth, heart-shaped base, below densely white pubescent. Capitulum majority, arranged in corymbose; involucre spherical, bracts lanceolate, apex with short hooks; flowers pale red, all tubular Burdock, lower cholesterol, reduce toxins, waste accumulation in the body, to prevent stroke and prevention of gastric cancer, uterine cancer. Doctors believe that in addition to a diuretic, consumer product, phlegm stopped the leaks and other harmacological effects, but also for constipation, hypertension, high cholesterol diet. TCM believes that there is wind-dispersing heat, Xuanfei Touzhen, detoxification pharynx and other effects. Can be used for common cold, cough, sputum, measles, rubella, sore throat. Studies have shown that burdock significantly lowering blood sugar, blood fat, blood pressure, kidney yang, laxative and breeding inhibit cancer cell proliferation and remove and discard the role of heavy metals in water, is the ideal natural health food. China's "Modern Medicine Dictionary", "Chinese Dictionary" and other national pharmacopoeia authority of the pharmacological effects of burdock summarized in three aspects: promote the growth of, inhibit tumor growth substances and have antibacterial and antifungal effect.