2.？ No professional knowledge: the lack of professional knowledge in peer education may lead to a lack of depth, accuracy and breadth. Peer may not have enough skills and knowledge to convey the correct information.
3.？ Lack of adaptability: Because peer education only involves similar groups of students, lack of adaptability may affect students' learning effect. Some students need personalized education methods.
4.？ Mutual influence: peers may have a negative influence on each other, such as encouraging unhealthy behavior or encouraging violence or disrespecting others' words and deeds.
5.？ Psychological pressure: In peer education, students often have to face peer pressure and expectations. Stress can lead to anxiety, depression and other mental health problems.
6.？ Unable to get feedback: Peer education may lead to students' lack of formal testing and feedback mechanism, and there may be limitations in providing valuable guidance and suggestions to students.