Abstract: Objective This study was designed to understand the situation of quality of the infec-tious diseases reports handed on directly through network and failure to report statutory infectious dis- eases by hospitals in Tengzhou，so as to provide scientific evidence for disease control and prevention．Methods By adopting stratified sampling，investigation of statutory infectious diseases registered and reported by 35 medical institutes in 2004 was conducted．Statistic analysis of epidemiology was em—ployed for data processing．Results The intact rate of infectious disease case reports handed on di-recfly through network was 87.20％ and the rate of timely report was 70.70％，while the failure to report statutory infectious diseases by medical institutes was 17.50％．Conclusion Through direct network report，intact rate of report and the rate of timely report for statutory infectious diseases were both in-creased compared with the previous ones．However，the adminisvafion of infectious diseases by each medical institute was not balanced．As for clinical doctors in some hospitals，their consciousness to re-port statutory infectious diseases and awareness of report were not strong enough．Therefore，it is nec-essary to reinforce their legal consciousness and service quality．And to enhance the report and admin-isvation of epidemic sireation．