Big data technology is the reform of the judicial system of the people's court and the driving force of various judicial work, which has important influence on the construction of the information 3.0 version of the court. The court system is remarkable in "contradiction", using big data technology, the court can be scientific and reasonable allocation of judicial resources, to build "court" wisdom. This report to guizhou province court system development using the perspective of judicial big data, for the development of the judicial big data era background, the judicial big data using the practice as well as the big data using path analysis, the case elements detailed argument type data analysis model, finally achieve great data to positively promote the reform of the judicial system innovation function.