Abstract: Objective The present study was to find out the actual situation of the infectious diseases reports of Shanxi Province，SO as to find the existing problems of the work，and search for the corresponding ways tO solve the problems．Methods Kinds and levels of hospitals where the reported number of Hepatitis B incidence was higher comparatively were sampled for investi-gating and verifying the follows：the bases for the infectious diseases reports of medical organiza-tions and the proportion of laboratory diagnosis，clinical diagnosis，suspected case and pathogen cartier，the flow for reporting infectious diseases of medical organizations，and the situations of ex-amining and verifying，correcting，or confirming in the disease control institutions．Results The coincidence rate of laboratory diagnosis was 73.57％，and that of clinical diagnosis was 24.41％，yet that of HBsAg carrier was merely 4.26％，and misinformation occupied over 30％ of the number that had already been reported．Conclusion The cause that resulted in misin-formation has been found，and methods and suggestions for setding problems were provided for medical organizations and disease control institutions．