| 
 Note: +, ++, +++: the distribution and drug resistance varied from low (+) to high
    (+++); the anti-infection effect varied from weak (+) to strong (+++); -: no distribution
   |  | Hepatobiliary System 
     Distribution | Anti-infection Effect | Drug Resistance |  
   | Fluoroquinolones | - | + | ++ |  
   | Carbopenems | ++ | +++ | ++ |  
   | Cephalosporins | +++ | ++ | + |  
   | Broad-spectrum Penicillins | +++ | ++ | + |  |