Why is Che Runhai a banana teacher?

Che Runhai is the stage name of Teacher Jiao. According to the investigation results of Che Runhai, Che Runhai is the stage name of teacher Jiao's interface to describe the way to test the law. Che Runhai tells legal knowledge with his own stage name, which can make the audience understand legal knowledge more clearly. At the same time, he is a full-time lawyer with strong and rich legal knowledge.