Compound licorice tablets are not recommended for children. The composition of this drug contains opioid powder, although opioid has a strong cough suppressant effect, but it also has the effect of respiratory inhibition and addictive, a small number of people will have nausea, vomiting, constipation and other reactions after using the drug. Therefore, children are generally not recommended to take compound licorice tablets in clinical practice. The drug is a compound preparation, in which licorice infusion is a protective cough suppressant and expectorant; opium powder has a strong cough suppressant effect; camphor and anise oil can stimulate the bronchial mucosa, reflexively increase the secretion of glands, dilute phlegm, so that phlegm can be easily coughed up. Clinically, the drug is used to suppress cough and expectorant. There are adverse reactions such as dizziness, headache, nausea, diarrhea and rash after using the drug. It is contraindicated for those who are allergic to the product and the ingredients contained in it; it is contraindicated for patients with aldosteronism. Hypertensive patients should closely monitor blood pressure during the administration of the drug; pregnant and lactating women, patients with gastritis and gastric ulcer, athletes should be cautious. If children need to use expectorant cough medicines, they should go to a specialized hospital to check the cause of their illness and use the medicines under the guidance of specialists, and should not choose the medicines on their own to avoid adverse reactions.