Abstract: For qualitative risk assessment of classical swine fever(CSF) outbreak in China,this study used the risk analysis method of animal disease to qualitative analyze the pathogenic characteristics, infection sources, transmission patterns, suscep-tible animals, the effect of prevention and control measures of CSF in China, by analyzing domestic and foreign data of CSF. The results indicated that the outbreak risk of CSF was existing across the country. Due to the implementation of the compulsory vaccination policy, the probability of CSF pandemic is very low, but the local and spotting outbreak is high risk in China. Vaccination is still important to prevent and control CSF at this stage.

Key words: classical swine fever; qualitative risk analysis; risk assessment