AIM To assess the constitution and expense trends of antibacterial drugs of inpatients in basic medical insurance in 102 Changsha hospitals from 2003-2009.METHODS The use of antibacterial drugs of 240.2 thousand inpatients in 102 Changsha hospitals from 2003-2009 were analyzed statistically in term of description and single-factor analysis.RESULTS The total prescription rate of antibacterial drugs was 70.07% during 2003-2009,and showed a declining trend from 78.96%(in 2003) to 66.26%(in 2009).The prescription rate was 64.40%for antibiotics ...