Dandelion and plantain together can play a role in clearing heat and detoxification (clearing heat and toxicity from the body), the role of lymphatic drainage, targeting mainly heat drenching (burning and stinging pain is obvious when urinating, accompanied by frequent urination and urgency, and discomfort of pulling on the lower abdomen) and other diseases. Dandelion and psyllium are both heat-clearing medicines, in which dandelion is the dried herb of dandelion or several species of plants of the same genus in the family of Asteraceae, and its role in the clinic is to clear away heat and detoxify the toxin, diuretic and diaphoretic (to improve the problem of dribbling in the urine and urination, and the problem of urination is small and inaccessible), targeting the symptoms caused by heat and toxicity of the redness of urination, stinging pain, dryness of the mouth and tongue, constipation, etc. The dandelion is also used as a medicine to clear away heat and remove toxins. The plant used is the dried whole herb of Plantago ovata or Plantago ovata of the Plantago family, which can clear heat, relieve dampness and relieve drenching, and cool the blood and detoxify the toxin (referring to the treatment of blood-heat and toxin impregnation). It is mainly used to target heat drenching and astringent pain, sores and swellings. Used in combination, they can be used to treat heat drenching caused by dampness-heat in the lower Jiao. However, high dosage of dandelion may lead to slow diarrhea. Adverse effects of Plantago Ovata are not clear. Specific medication is recommended to consult a doctor.