Fishweed and dandelion are both clearing heat and detoxification (to remove heat and toxicity in the body) class of Chinese herbs, boiled together and drank water can not only clear heat and detoxification, but also diuretic and diuretic (to improve the problem of urine dribbling, urinary volume is not passable), to clear the lungs and resolve phlegm (to clear the lungs heat and dissolve the phlegm evil). 1. Clearing heat and removing toxins: dandelion is cold, bitter and sweet, and fritillary is slightly cold and pungent, both of which have the effect of clearing heat and removing toxins. For heat and toxicity (body fire too exuberant) caused by sore throat, tongue red and so on the effect is very good. 2. Diuretic: Fishwort and dandelion boiled water to drink, used for short red urine (urine volume, dark yellow color), astringent pain, etc., can promote the heat evil from the small stool and out, relieve symptoms. 3. Clear lungs and resolve phlegm: Fishwort can clear lung heat, promote phlegm discharge, is the treatment of carbuncle medicine; dandelion can also dispel lung heat, help phlegm discharge, the two boiled water for coughing yellow phlegm is difficult to discharge people, have a certain effect. Fishweed and dandelion are cold in nature and are suitable for patients with body heat, phlegm, wetness and edema. Its adverse reactions are mainly nausea, vomiting, diarrhea and other intestinal reactions, spleen and stomach cold (spleen and stomach weak cold) patients need to be used with caution. It is recommended to apply under the guidance of a doctor’s diagnosis to avoid adverse reactions caused by private medication.