Abstract: Objective　The present study was conducted to investigate the quality of report of notifiable infectious diseasesin each level of medical institutions in Liuzhou city, Guangxi. Methods　A field cross sectional study with designedquestionnaires was conducted according to standardized procedures to investigate the medical institutions in the city, theresults of which would be compared with corresponding online direct reporting data. Results　A total of 47 medicalinstitutions of different levels from 4 separate districts in the city were surveyed, 632 722 case report forms werereviewed. As a result, omission rate of report of notifiable infectious diseases was 2.58%, and class A, B and C notifiablediseases accounted for 0, 2.08% and 3.82%, respectively. The overall delay rate of report reached 9.18%. The overalldiagnostic accuracy was 89.62%. Delay rates were predominant in provincial hospitals, being 18.63%, followed by privatehospitals with the rate of 14.86%. The five infectious diseases primarily involved in omission were in turn rubella (25.00%),condyloma acuminata (16.67%), mumps (6.25%), bacillary dysentery (4.62%) and syphilis (3.20%). Conclusion　The quality ofreport of notifiable infectious diseases was believed to be satisfying with occasional omission and delay. Higher diagnosticaccuracy was to be desired.