Compound licorice tablets are cough medicines containing opioids. Taking Compound licorice tablets for cough can take the effect of symptomatic treatment. Cough is a defensive reflex and at the same time a reaction and symptom of disease. Cough may be both a physiological phenomenon and a pathological symptom. Taking compound licorice tablets for physiological cough can provide good relief. For infectious cough, such as bronchitis, pneumonia, bronchial dilatation, lung abscess, etc., the cough needs to be treated with appropriate antibiotics, and simply taking compound licorice tablets to forcibly suppress the cough is not only useless, but also detrimental to the coughing up of phlegm, leading to the aggravation of the disease. Compound licorice tablets contain opium powder, which has certain addictive properties and can be harmful to the human body if taken for a long time. Therefore, it should not be taken blindly for the treatment of cough.