There is no separate dandelion flower efficacy, dandelion is the dried whole herb, including the flowers, of dandelion, alkali dandelion, or several species of the same genus in the family Asteraceae. Therefore, dandelion flowers have the same efficacy as dandelion, such as clearing heat and removing toxins, subduing swelling and dispersing knots, diuretic and diuretic, and are commonly used in the treatment of furuncle and swelling poison, breast carbuncle, sore throat, lung carbuncle, intestinal carbuncle, damp-heat jaundice, and feverish drenching and astringent pain, and other symptoms. Dandelion flowers are bitter, sweet and cold in nature, belonging to the liver and stomach meridians. Dandelion has the effects of clearing heat and removing toxins (removing heat and toxicity from the body), subduing swelling and dispersing lumps, and diuretic and diaphoretic (improving the problem of dribbling in the urine, and the problem of small and incomprehensible amount of urine). Dandelion flowers are often used in the treatment of furuncles (sores on the limbs or face, small in shape with deep roots, hard as nails), breast carbuncles, lung carbuncles, intestinal carbuncles (carbuncles occurring in the bowels of the intestines with fever, pain in the right abdomen, and palpable lumps as a manifestation), jaundice due to dampness-heat, feverish gonorrhea (burning and tingling in the urine, accompanied by urinary frequency, urgency, and discomfort of pulling on the abdomen), astringent pain and so on. Dandelion flowers are good for clearing away heat and detoxifying, eliminating carbuncles and dispersing knots, and can be used to treat all sores and canker sores that are full of heat and toxins, regardless of whether the carbuncle is internal or external, all can be treated. Dandelion flowers are also used in the treatment of canker sores. Dandelion flowers can lead to slow leakage if used in large quantities, and should not be used by those with a weak and cold spleen and stomach (spleen and stomach weak and cold). Dandelion flowers should be used by a traditional Chinese medicine practitioner after diagnosis, and should not be used blindly on its own. If abnormal symptoms occur during the period of taking the medicine, it is necessary to consult a doctor in time in order to avoid delaying the condition.