Yin gardenia yellow soup should be Yin gardenia yellow oral liquid, for expelling dampness agent, has clearing away heat and removing toxin (clearing away heat and poisonous evil qi in body), diuresis of dampness and retracting yellow efficacy. Treats jaundice caused by liver and gallbladder damp-heat (damp-heat evil gas accumulates in liver and gallbladder), symptomatic see face and eyes all yellow, chest and hypochondrium (chest and ribs area collectively) distension and pain, nausea and vomiting, urine yellow and red and so on. In the formula, Yin Chen is the ruler, can clear heat and diuresis (remove heat and dampness in the body), and reduce jaundice; Gardenia is bitter and cold, is the subject medicine, can clear heat and diuresis, and remove fire and annoyance; Scutellaria is bitter and cold, and Gardenia is the subject medicine, can clear heat and dry dampness (remove heat and dry dampness), and remove fire and detoxification (remove fire and evil in the body). The three medicines are combined to strengthen its effect of clearing dampness and heat. The formula is supplemented with honeysuckle, which has the function of clearing heat and removing toxins, and the effect of clearing heat and removing toxins, inducing diuresis and eliminating yellowish color. Adverse reactions such as diarrhea, vomiting and skin rash have been reported. Caution is advised for pregnant and lactating women and those with spleen deficiency and loose stools. Avoid alcohol and spicy food during the period of taking the medicine. Patients are advised to consult a doctor if they feel unwell, and to take the medicine under doctor’s supervision.