1. As a college psychology teacher, you should understand psychology and have basic methods to judge and guide students' psychology.

2. The main reasons for college students' psychological barriers include:

Personal factors (physical and psychological) and environmental factors (social family and school), such as heavy study burden, difficulty in adapting to university study and life, increasing competition pressure among students, disappointment with majors, contradictions and problems in interpersonal relationships, impact and influence brought by social environment, setbacks in personal life, defects in personal psychological quality, subjective factors, etc.