Magnesium isoglycyrrhizinate injection is used according to the condition, once a day, 0.1-0.2g, diluted with 5% dextrose injection or 0.9% sodium chloride injection and then intravenously, the specific usage should be used in accordance with medical advice. For chronic viral hepatitis four weeks for a course of treatment, acute liver injury two weeks for a course of treatment. The dosage according to the condition is once a day, once 0.1 a 0.2g, with 5% dextrose injection or 0.9% sodium chloride injection, 100mL or 250mL diluted intravenous drip. The main component of the drug is magnesium isoglycyrrhizinate, a hepatoprotective agent, with anti-inflammatory, hepatoprotective and improve liver function, used for chronic viral hepatitis and acute drug-induced liver injury, to improve liver function abnormalities. Adverse reactions may occur such as hypokalemia, elevated blood pressure, sodium and fluid retention and other pseudoaldosteronism, and is contraindicated in patients with severe hypokalemia, hypernatremia, heart failure, renal failure, and severe hypertension. If liver function abnormality occurs, it is necessary to consult regular hospitals, improve relevant examination under professional doctor’s guidance, and standardize treatment according to doctor’s instruction, so as to avoid delaying the condition.