Held the third and fourth plenary session of the eighteenth pulled open the curtain of the judicial reform, the judge took system reform is the core content of a new round of judicial reform, judicial reform is the starting point and the breakthrough. The existing research bureau, which is limited to "who is the judge," ignores the salient question of how many judges are needed. Judge in order to improve the validity and accuracy for the configuration of the specific, this article through the large data analysis and statistical modeling method to measure the judge took, so as to provide scientific and reliable for the judge to determine the specific calculation method.