Objective To survey the hepatitis B virus infection situation of freshmen

so as to take precaution measures to prevent the spread of the disease accordingly. Method Analyze the data collected from combined serum HBV five signs inspection and liver inspection of the freshmen of Nanchang Lnstitute of Acromautical Technology from 2004 to 2006 with the method of ELISA. Results The average percentage of HBsAg is 14.17 %

and the differences between males（15.42 %） and females（11.57 %）

students from city（11.17 %） and rural areas（15.94 %）

students of Jiangxi province（16.36 %） and students from other provinces（12.53 %）

are obvious（p<0.01）; There are five infection types of HBV are HBsAg/HBeAb/HBcAb（15.03 %）

HBsAg/HBeAg/ HBcAb（12.76 %）

HBsAg/ HBeAg（2.39 %）

HBsAg/HBcAb（2.96 %） and simple HBsAg positive（66.87 %）. Conclusion Some precaution measures must be taken

including preventive inoculation of hepatitis B vaccine

enforcement of sanitary management and health eduction.