Objective To investigate the bacteriostatic effect of 4 kinds of traditional Chinese herbal medicine on extensively drug‐resistant A .baumannii(XDRAB) bacteriostatic effect ,find a new way for the clinical treatment of the XDRAB infection .Meth‐ods The minimal inhibitory concentrations(MICs) of scutellaria ,forsythia ,rhizoma coptidis ,honeysuckle were determined by using broth two‐fold dilution method .Results The mean values of MICs of scutellaria ,forsythia ,rhizoma coptidis ,honeysuckle were 30 .99 ,187 .50 ,27 .61 and 75 .00 mg/mL ,respectively .Among the 4 kinds of traditional Chinese herbal medicines ,rhizoma coptidis got the strongest antimicrobial effect strongest inhibitory effect .There was no significant difference in the inhibitory effect of the strains collected from local or nonlocal(P>0 .05) .Conclusion The 4 kinds of Chinese herbal medicine had in vitro antibacterial ac‐tivity to XDRAB in different degree.