In this paper, the principal component analysis method is mainly used to analyze that the construction level of Smart Court in different regions. The construction level of Smart Court consists of three main components. The result of Smart Court construction level in different regions is calculated. It is concluded that the construction level of Smart Court varies in different regions. It is necessary to make great efforts to solve the problem of unbalanced regional development. It is suggested that the construction of Smart Court in the future should focus on the publicity business such as online cases. And more and more new generation information technology such as artificial intelligence should be applied.