Glycyrrhizin tablets are known to improve liver function and are also used to treat eczema, dermatitis, pemphigus and other skin conditions. Glycyrrhizin tablets usually refer to compound glycyrrhizin tablets, containing glycyrrhizin, glycyrrhizic acid monoammonium salt, glycine and methionine and other ingredients. In the clinic glycyrrhizin has the effect of liver protection, can be used for the treatment of chronic liver disease, improve liver function abnormalities. In addition to this glycyrrhizin also has the effect of inhibiting local allergic necrosis reaction, so it can also relieve eczema, dermatitis, baldness and other skin diseases. Compound glycyrrhizin is a prescription drug, which has more contraindications. Among them, people with severe liver disease should not take the drug to avoid drug metabolism induced by the patient’s low ammonia processing capacity. It is also not suitable for patients with hypokalemia to avoid aggravating hypokalemia and hypertension. This drug is contraindicated in patients with aldosteronism, myopathy. The drug should be taken in strict compliance with medical advice, and the dosage can be dynamically adjusted according to the severity of symptoms to avoid the adverse reactions of increased blood pressure, decreased muscle strength and even rhabdomyolysis induced by excessive dosage of the drug.