Dandelion is mainly used to treat furuncles (sores on the limbs or face, small in shape with deep roots, hard as nails), canker sores, scrofula (mainly refers to tuberculosis of lymph nodes in the neck), and redness of the eyes. Dandelion has the efficacy of clearing heat and removing toxins (removing heat and toxicity from the body), subduing swellings and dispersing knots, and inducing dampness and drenching. It is mainly used in the treatment of furuncle and poison, breast carbuncle, scrofula, eye redness, sore throat, intestinal carbuncle (carbuncle occurring in the intestines and bowels, manifested by fever, pain in the right abdomen, and palpable lumps), heat drenching (burning and stinging pain in urination, accompanied by frequent urination and urgent urination, and discomfort of traction in the abdomen), and astringent pain. Excessive dandelion may cause slow diarrhea. The adverse reactions and contraindications of Taraxacum officinale are currently unknown. If the patient has any discomfort, please go to a regular medical institution; if you need to use dandelion, you must use the drug under the guidance of a professional doctor.