If the patient is diagnosed with Damp-Heat and Heat Bladder type of frequent urination, dandelion can be used under the supervision of a doctor. If it is other evidence type of frequent urination, it is not very effective when taken. The drug is recommended to be used in combination, and the effect of single medicine is limited. Dandelion taste bitter, sweet, cold, to the liver, stomach meridian. It is the dried whole herb of dandelion, alkali dandelion or several plants of the same genus in the family of Asteraceae. It can clear heat and detoxify the body (removing heat, toxins and evil qi from the body), and to a certain extent, it can be anti-inflammatory, which can effectively relieve frequent urination. It also has the functions of clearing dampness-heat, diuretic and diaphoretic (to improve the problem of dribbling in urine and the problem of small amount of urine not being able to pass), eliminating carbuncles and dispersing knots, and is often used to treat dampness-heat jaundice, heat-lymphedema (burning and stinging pain during urination, accompanied by frequent urination and urgent urination, and discomfort from pulling in the abdomen), astringent pain; internal and external heat-poison sores and carbuncles (sores and carbuncles on the surface of the skin due to excessive heat-poison within the body) and other conditions, as well as breast carbuncles, lung carbuncles, and so on. Excessive dosage of this drug may lead to prolonged diarrhea, and the contraindications for its use are not yet clear. If you need to take this medicine, it is recommended to consult a professional doctor; if symptoms of frequent urination occur, it is recommended to go to a regular hospital for diagnosis and treatment.