Burdock root is a heat-clearing and detoxifying herb, mainly used for clearing lung heat, but it is also laxative, diuretic, diaphoretic, and effective for carbuncles, sores, and other heat toxins. Chrysanthemum is a medicine for clearing liver heat and gallbladder heat, so these two medicines together, one clearing lung heat, one clearing gallbladder heat, then lung heat and gallbladder heat, in fact, sometimes in the clinic will often appear at the same time, so this time to use burdock root to clear lung heat, chrysanthemum to clear liver or gallbladder heat, the effect is very good. The two can be boiled together and drunk, or can be used as herbs in compound preparations, as a combination of two herbs.