1. Knowledge of laws and regulations: Supervising law enforcement personnel need to have a thorough understanding of relevant laws and regulations and legal provisions in specific fields related to their duties, and have a comprehensive and accurate understanding of laws and regulations in order to correctly carry out law enforcement work.

2. Law enforcement skills and methods: Supervising law enforcement personnel needs to master effective law enforcement skills and methods.

3. Professional knowledge and quality: it is necessary to cultivate law enforcement personnel's professional ethics, legal concepts, fair and equitable implementation principles, interpersonal relationship handling and communication skills.