There are no reports showing that burdock tea has damage to the liver in the long term, but burdock belongs to the medication, it is not recommended to drink it for a long time, and it is recommended to stop taking the medication when the disease is cured. Burdock tea has the effect of evacuating wind-heat, declaring the lungs and penetrating the rash. Burdock, flavor pungent, bitter, cold. It belongs to the lung and stomach meridian. It has the efficacy of dispersing wind-heat, promoting the lungs to penetrate the rash, and detoxifying the pharynx. Used for wind-heat colds, cough and phlegm, measles, rubella, sore throat, mumps, dengue (acute infection, visible skin red like paint), carbuncle sores. It should be noted that burdock can slip the intestines, Qi deficiency loose stools (feces thin not shaped) should not be used. Burdock seed tea is limited in active ingredients, it is difficult to achieve the above effects, it is recommended to use the medicine under the guidance of a Chinese medicine practitioner.