It is difficult to precipitate the active ingredients of licorice in water, so it is recommended to take it in water. The benefits of licorice tablets include strengthening the spleen and vital energy, relieving cough and pain, clearing heat and removing toxins (removing heat and toxicity from the body); the disadvantage is that overdose may result in swelling or aggravation of epigastric distension. Licorice is the dried root of the leguminous plant Licorice, Glycyrrhiza glabra, Glycyrrhiza inflata and Glycyrrhiza glabra. It is flat in nature, sweet in taste, and belongs to the heart, lung, spleen and stomach meridians. Its main effects are to strengthen the spleen and benefit qi, resolve phlegm and stop cough, relieve pain (relieve urgent pain symptoms), clear heat and detoxification, and harmonize the properties of all medicines. Clinically, it is mainly used for the treatment of weakness of the spleen and stomach caused by tiredness (fatigue), palpitations (rapid heartbeat, often accompanied by panic), shortness of breath, cough and phlegm, cough and phlegm, epigastric and abdominal as well as limb contracture pain, carbuncles, swellings and poisons, etc., and the effect of moderating the toxicity and potency of the drug. Adverse effects of licorice have not been precisely recorded, with solid evidence of abdominal distension caused by the fullness of the people avoid using licorice. According to the record of “Eighteen Against”, licorice should not be used together with glycyrrhiza, coriander and halberd. Licorice in water is difficult to exert the full medicinal effect, and it is difficult to achieve the therapeutic effect. If you need to use medication, it is recommended to use medication under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.