1. Dandelion has the effect of diuretic and diaphoretic (to improve urinary dribbling, urinary volume is small and not passable), clearing away heat and detoxification (to remove heat and toxicity in the body), and subduing swellings and dispersing knots. It is used for breast carbuncle, eye redness and sore throat, furuncle swelling and poison, lung carbuncle, intestinal carbuncle, hot lymph (burning and stinging pain is obvious when urinating, accompanied by frequent urination and urgent urination, and discomfort of pulling in the abdomen) and astringent pain, and damp-heat jaundice. Dandelion can be taken by decoction, or freshly pounded juice, or made into bulk. 2. Compatibility: dandelion can be used with honeysuckle, chrysanthemum, etc. for the treatment of furuncle and pain; for the treatment of intestinal carbuncle and abdominal pain is often used with rhubarb, mudanpi, etc.; for the treatment of carbuncle can be used with dongguanren, fritillaries, etc.; detoxification of swelling and dissipation of knots can be used with Panax quinquefolii, XuanShen; for the treatment of fever and astringent pain, can be used with leucocephalos, plantain etc.; for the treatment of damp-heat jaundice can be used with yin chen, gardenia etc.; for the treatment of eye redness, swelling and pain, can be used with chrysanthemum, baicalin and so on. Adverse reactions and contraindications are not clear, dandelion for the treatment of disease, should be used in accordance with medical advice.