Licorice tablets generally refers to compound licorice tablets; this product has no significant harm to the heart when taken in the correct dosage. Compound licorice tablets are composed of licorice extract powder, opium powder, camphor and so on; this product has an analgesic effect; dilute phlegm, so that phlegm can be easily coughed out of the effect, used to suppress cough and expectorant. The adverse reactions of Compound Licorice Tablet are nausea and vomiting symptoms. Contraindications are allergy to this product is prohibited; precautions, this product should not be taken for a long time; gastritis and gastric ulcer caution; athletes should be cautious. From the adverse reactions and contraindications of compound licorice tablets, licorice tablets are not a contraindicated drug for heart disease, and no cardiac adverse reactions have been seen, so there is no obvious harm to the heart when this product is taken under the correct dosage. Chinese medicines or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the evidence, and individuals should not use them blindly to avoid adverse consequences.