ConclusionAll the sCJD patients in China died within 2 years after onset, the median of the survival length was 6. 1months. The general socio-demographic characteristics and clinical features of the patients did not influence the survivallength of the patients.Key words:surveillance; sporadic Creutzfeldt-Jakob disease; follow up; survive analysisThis work was supported by the National Science and Technology Key Project of Communicable DiseasePrevention and Control of the Ministry of Science and Technology ( No. 2011ZX10004 - 101) , SKLID DevelopmentProject ( No. 2012SKLID102, 2011SKLID211 ) and Young Scholar Scientific Research Foundation of China CDC( No. 2012A102)