Exploring the inieractions between small molecules and bovine serum albumin at the molecular is of current interest in many research areas such as clinical medicine, biology, chemistry and so on. In recent decades, a large number of domestic and foreign scholars have made a lot of reports about this study. However, most of these reports are all about the interaction between a single drug and bovine serum albumin. The interactions of combination of several antimicrobial drugs with bovine serum albumin were s...