Abstract: Objective  To analyze the relevant information of echinococcosis cases from the National Web-based Infectious Diseases Report System in China in 2011.  Methods  Data of echinococcosis in 2011 were collected from the Report System of the Chinese Center for Disease Control and Prevention. SPSS 16.0 software was used to analyze the data.  Results  A total of 3 225 cases were reported in 2011, including 1 death and 3 013 effective cases. The three provinces （autonomous region） with high incidence were Xinjiang（occupying 41.5%， 1 251/3 013）, Gansu（16.9%， 509/3 013） and Qinghai（12.0%， 363/3 013）. Cases distributed in all age groups, with the highest incidence in the group of 31-40-year-old. Male to female ratio was 1 ∶ 1.01. The incidence of farmers and herdsmen was highest.  Conclusion  In 2011， the reported cases are mainly distributed in Xinjiang, Qinghai, Inner Mongolia, Gansu, Ningxia, Sichuan and Tibet. Echinococcosis is mainly prevalent in western China.

Key words: Larval echinococcosis, Case, Distribution, China