From the perspective of a set of indicators and assessment content, the case quality evaluation system is used to evaluate case entity fairness in the form of a cases procedural results, and provides the assessment results the internal power subject of the court as the basis of performance evaluation to the judges and the courts. It is a kind of strong management behavior. This evaluation system makes judges more concerned with the digital evaluation index than with the justice of the case processing entity. Due to the difference of substantive impartiality of case processing and the cost burden and benefit of evaluation result between parties and judges, it may cause judges and their subordinate courts to pursue the interests of their own departments or individuals for evaluation, and make the impact of the evaluation system on the outcome of case entities more complicated. In practice, we must change the concept of absolute evaluation, design scientific assessment rules, weaken the interestbased competition in the evaluation rules, strengthen the attention of the evaluation system to the justice of case entities, and introduce the public evaluation, to improve the scientific impartiality of case quality assessment.