It is impolite and unethical for middle school students to laugh at others with inappropriate code names. This behavior should not be encouraged or spread. It will hurt the feelings of others and is not conducive to good interpersonal relationships and the construction of a campus atmosphere. As a teacher, when encountering this situation, it is more important to guide students to establish correct values and interpersonal attitudes, rather than paying attention to specific problems. It is recommended that you find a suitable time to communicate honestly with the students, tell them that you have noticed some inappropriate communication methods between them, emphasize the importance of respecting others, let them understand that it is wrong to laugh at the appearance of others, and work together to create a respectful, friendly and harmonious class.environment. Such educational guidance can fundamentally solve problems and promote the healthy growth of students than entangling in specific problems.