In order to scientifically evaluate the immune effects of peste des petits ruminants(PPR)vaccines in Zibo City of Shandong Province,in June of 2018,the immunization situation of goats in parts of large-scale farms and villages(households)was investigated. By adopting two-stage sampling strategy,in combination with partial convenience sampling,a total of 2 350 sheep serum samples from 44 large-scale farms and 81 villages were collected and detected. According to the results,42 large-scale farms were detected qualified(ratio of 95.45%),and 74 villages were qualified(ratio of 91.36%). At the individual level,2220 samples were qualified,the individual qualified rate was 94.47% The qualified rates at both group and individual level all exceeded the lowest requirements frood.