The correct way to drink licorice in water is to brew it in hot water, wait for it to warm up and then take it. Licorice in water has the effect of expectorant and cough. Licorice belongs to the qi tonic in the tonic medicine, for the leguminous plant licorice, swollen fruit licorice or light fruit licorice dry root. It is sweet and flat in nature. Licorice enters the heart meridian, stomach meridian, liver meridian and spleen meridian. Licorice can be used internally and externally. Licorice is effective in clearing heat and removing toxins (removing heat and toxicity from the body), tonifying the spleen to benefit the qi, relieving pain (relieving urgent pain), expelling phlegm and relieving cough, and harmonizing herbs (harmonizing the properties of different Chinese medicines). It is used in the treatment of lethargy, weakness of the spleen and stomach, cough and phlegm, palpitation (rapid heartbeat, often accompanied by panic), shortness of breath, contractural pain in the epigastrium, abdomen and limbs, and carbuncle, swelling and sores. The adverse reactions of licorice are not clear. Licorice should not be used together with coriander, Kyohaku, and Gansui. People who are allergic to licorice are forbidden to drink licorice in water. The active ingredients of the drug can not be completely analyzed in water, and can only play a supplementary therapeutic role. If you have symptoms, you should take medication under the guidance of a professional physician, do not take medication blindly, so as not to delay the condition or produce adverse reactions.