Summary of case history, Zhang, female, 3 years old, was diagnosed as "cytomegalovirus infection" and "abnormal liver function" on October 8, 2017 due to "54 days of abnormal liver function", and was discharged on October 31, 2017 after being treated with anti-virus, liver protection and symptomatic support (ganciclovir, compound Glycyrrhizic anhydride and Atomolan). After treatment, the fever subsided, liver function ALT and AST indexes are still abnormal, with less food, poor appetite and fatigue, followed by diarrhea and restlessness at night. In order to seek systematic treatment with traditional Chinese medicine, the child was treated in the pediatric clinic of our hospital on November 7, 2017. Diagnostic information: diarrhea in children, yellow and green stool, 4-5 lines a day, belching, fatigue, restless lying at night, poor appetite, light red tongue, thin white and greasy fur, and light purple fingerprints.,TCM diagnosis, diarrhea, spleen deficiency and liver syndrome.,Western medicine diagnosis c,ytomegalovirus infection; liver injury.,Therapeutic methods ,According to the etiology and pathogenesis, treat according to syndrome differentiation. The method of strengthening the spleen, soothing the liver, removing dampness and harmonizing the stomach is treated with Zisheng pill.,Clinical outcomes ,All the symptoms of the child were eliminated and the liver function returned to normal.