Licorice is a traditional Chinese medicine that, when taken in large quantities, can cause adverse reactions such as swelling, weakness and numbness of the limbs. Glycyrrhiza glabra is the dried roots and rhizomes of Glycyrrhiza glabra, Glycyrrhiza inflata or Glycyrrhiza glabra of the genus Glycyrrhiza of the family Leguminosae, and is also known as Kokuro, Sweet Grass, Ural Glycyrrhiza, Sweet Roots, etc. It is sweet in taste and neutral in nature, and goes to the heart, lung, spleen and stomach meridians. It has the effects of benefiting qi and tonifying the middle, moistening the lungs and relieving coughs, easing pain (relieving more urgent pain symptoms), clearing away heat and detoxifying the toxins, and harmonizing the properties of the medicines. This drug is mainly used in treating heart deficiency and palpitation, cough and asthma, spleen deficiency and tiredness, medicine and food poisoning, carbuncle and gangrene (a kind of poisonous sores, acute suppurative disease occurring on the surface of the body, limbs and internal organs), laryngeal paralysis (pharyngeal redness, swelling and pain or dryness, a sense of foreign body, or pharyngeal itchiness and discomfort, and difficulty in swallowing), and contracted pain in the epigastrium (abdomen) and the limbs. It should be noted that the drug can cause swelling, limb weakness, numbness, high blood pressure and other adverse reactions when taken in large quantities or in small amounts over a long period of time. If similar symptoms occur, it is recommended to consult a doctor in time and standardize the treatment. The medication should be taken under the guidance of a professional physician, and should not be taken on its own, so as to avoid delaying the condition.