Cystine and compound glycyrrhizin do not exist which is better, different drugs can treat different diseases, suitable for their own condition is the best, the use of drugs need to follow the doctor’s instructions. Cystine is a sulfur-containing amino acid drug that promotes cellular redox, enhances liver function, neutralizes toxins, promotes the growth of white blood cells, and prevents the development of pathogenic bacteria, etc. It can be used for the treatment of post-disease, post-partum secondary alopecia areata, and the adjunctive treatment of chronic hepatitis. Prolonged use or some idiosyncratic constitution patients will lead to the formation of stomach stones, so drink more water during the medication. Compound Glycyrrhizin is a complex drug, mainly used for the treatment of chronic liver disease and improve liver function abnormalities, but also for the treatment of eczema, dermatitis, pemphigus and other diseases. Side effects of Compound Glycyrrhizin include swelling, increased blood pressure, and decreased urine output. The use of the above two drugs need to be standardized under the guidance of a doctor, do not private treatment triggered adverse consequences.