If I were the principal. There is a problem that students are rude to teachers in my school. What should I do? If my actions are not adopted, I

Ask the teacher and the students to drink tea separately and relax. Listen to what they say first, and then tell the students that you should be polite to the teacher and respect the necessity of the teacher anyway, and you will feedback his reaction to the teacher. Just this once, invite the teacher to have tea again and tell the teacher that students are children after all and have their own ideas and self-esteem. After all, adults should not have a hard time with children. Don't force children to object, a good education is the key.