Drinking dandelion in water has the effect of reducing swelling and dissipating lumps, inducing diuresis (allowing the kidneys to urinate more, thus helping to cure diseases) and clearing away heat and toxins. However, the active ingredients of drinking it in water are limited, and the decoction method is recommended. Dandelion is a traditional Chinese medicine with the effects of reducing swelling and dissipating lumps, clearing heat and removing toxins, and inducing diuresis and drenching. It is mainly used in the treatment of carbuncle (a purulent disease in which the breasts are red, swollen and painful and the milk is not discharged well, eventually), redness of the eyes, sore throat, carbuncle furuncle (a kind of skin disease referring to furuncles of severe degree), feverish gonorrhea (a burning and stinging pain obvious when urinating, accompanied by frequent urination and urgent urination, and discomfort of pulling in the small abdomen) astringent pain and dampness, heat and jaundice, and other conditions. Dandelion is cold in nature, and is contraindicated in people with Yang deficiency and external cold, spleen and stomach weakness. Allergic to dandelion is prohibited. The therapeutic effect of drinking dandelion in water is limited, if the body exists uncomfortable symptoms, you should consult a doctor in a timely manner, follow the doctor’s instructions for treatment, so as not to delay the condition.