In the traditional judicial judgment, the result of the judicial judgment will be affected by the subjective factors of the judge, leading to the injustice of the trial result. Nowadays, artificial intelligence technology is becoming more widely used. The application of artificial intelligence procedures to the judicial judgment will standardize the judicial judgment process and maximize the fairness of the trial results. This paper on the application of artificial intelligence in the judicial judgment has carried on the thorough analysis, put forward the principle of using artificial intelligence technology should follow in the legal process, and lists the current artificial intelligence technology in the judicial field to build judicial database, legal knowledge map and criminal evidence system, expected to give artificial intelligence technology application in the judicial field to provide certain reference.