Licorice tablets are compound licorice tablets. Nine-year-old children with cough can be under the guidance of a physician and parental supervision to take compound licorice tablets, pay attention to drug contraindications and adverse reactions. Compound licorice tablets mainly has the efficacy of suppressing cough and expectorant, the main ingredients of the drug are licorice extract powder, opium powder, camphor, anise oil, sodium benzoate. Glycyrrhiza glabra extract powder is a protective cough expectorant; opium powder has strong cough suppressant effect; camphor and anise oil can stimulate the bronchial mucosa, reflexively increase glandular secretion, dilute phlegm, so that the phlegm can be easily coughed up; sodium benzoate is a preservative. The above ingredients form a compound preparation with the synergistic effect of suppressing cough and expectorant. It is contraindicated for those who are allergic to the product and the ingredients contained in it; it is contraindicated for patients with aldosteronism. Children are not contraindicated, so the drug can be used in children 9 years of age with symptoms of cough. Possible adverse reactions after the use of the drug include dizziness, headache, excessive sweating, itching, rash, nausea, vomiting, flushing, palpitations, chest tightness, increased blood pressure, shortness of breath. Specific use of the drug should be under the guidance of a specialist, and children should be used under parental supervision.