If the cough is identified as heat and toxicity (fire in the body is too exuberant), dandelion can be used for treatment, but the general use of water decoction, because dandelion in water to drink the active ingredients precipitation is very small, it is difficult to achieve the efficacy of the treatment of the disease. Dandelion is a traditional Chinese medicine, for the dandelion plant in the dandelion family Asteraceae, the dried grass, its taste bitter, sweet, cold, to the liver, stomach meridian. It has the effects of clearing away heat and detoxification (removing heat and toxicity from the body), subduing swellings and dispersing lumps, and inducing diuresis and diuresis. This product is often used in breast carbuncle, internal carbuncle, hot lymph (burning and stinging pain is obvious when urinating, accompanied by frequent urination and urgency, small abdominal traction and discomfort) astringent pain, carbuncle furuncle (a kind of skin disease, refers to the degree of serious furuncle), damp-heat jaundice and other conditions. Adverse reactions to Pulsatilla are currently unknown. Note that this product is contraindicated in those who are allergic to it, and should be used with caution in those with allergies. Excessive dosage of this product may cause slow diarrhea. Dandelion can be used for cough identified as heat and toxicity blazing evidence, often used in conjunction with other drugs, and its main use is decoction soup for internal use. Dandelion can also be soaked in water to drink tea, but the active ingredients of the Chinese medicine soaked in water to drink the precipitation is very small, it is difficult to achieve the effect of the treatment of disease, so if there is discomfort, it is recommended that the hospital, consult a physician to standardize the treatment, and do not blindly use the drug.