1. Introduction
2. Key Technologies of LLMs
2.1. Related Concepts
2.2. Evolution of LLMs
3. Evolution of Judicial Technology
3.1. Characteristics of Traditional Judiciary
3.2. Characteristics of AI in Legal Judgement
4. Recent Applications
4.1. Fine-tuned Models
4.2. Evaluation Indicators for the AI and Law System
4.3. The Case of Law + AI
5. Challenges
5.1. Defects in Datasets
5.2. Shortcomings in Algorithms
5.3. Challenges of Traditional Legal Industry
5.5. Ethical Views Impacting Human Society
6. Future Directions
6.1. Data and Infrastructure
6.2. Algorithm Level
6.3. Dealing with Traditional Judiciary
6.4. Judicial Practice
7. Conclusions