Thymopentin (TP5) is a synthetic oligopeptide, protein structure thymus immunoreactivitycenter with the same pixel generates all thymus physiological function, which can regulate theimmune system to produce a two-way effect. TP5is currently mainly used in the clinical treatmentof immunocompromised due to a variety of causes, including cancer, chronic hepatitis B, chronichepatitis C and hepatitis biliary tract infections, multiple drug-resistant tuberculosis resistant tumortype leprosy, sepsis complications,...