Objective To investigate the trends of nosocomial infections and use of antimicrobial agents,in order to effectively prevent and control program of hospital infection. Methods Cross-sectional survey method was adopted,the SPSS17.0 were used to statistical analysis. Results The check real rate was 100％.Among them 255 cases were community infection, the infection rate was 31.14%; the high frequent incidence was in the pediatric department; lower respiratory tract infection was the primary infection sites(62.75%);gram-positive bacteria (G +) was the main pathogenic bacteria. 6 cases were nosocomial infection, the infection rate was 0.73%; the obstetrics and gynecology /surgery were the primary incidence; superficial incisional wound infection was the primary infection sites(50%);gram-negative bacteria (G-) was the main pathogenic bacteria(66.6%).The antimicrobial drug utilization rate averaged 32.23% in the three years. Conclusion The investigation reflects the nosocomial infection rates and the present situation of the use of antibacterial drugs. intervention measures were formulated based on the results of the survey. multiple drug-resistant bacteria infection should be prevented and controlled to reduce the incidence of hospital infection.