The basic principles of maintaining students' mental health include actively participating in learning, maintaining physical and mental health, establishing support networks and seeking professional help.

1. Actively participate in learning: students need to keep their interest and motivation in learning and try new learning methods and strategies to improve their learning efficiency and sense of self-worth.

2. Maintain physical and mental health: Students need to pay attention to physical health, maintain good eating and exercise habits, and avoid excessive fatigue and stress. At the same time, we also need to learn to effectively cope with and alleviate negative emotions and maintain psychological balance.

3. Establish a support network: Students need to actively establish good interpersonal relationships with family, friends, teachers and others, seek support and help, and enhance their social skills and emotional expression skills.

4. Seek professional help: When students encounter psychological problems, they should seek professional help and support in time, such as psychological counseling and psychotherapy. This will help to find and solve psychological problems as soon as possible and improve the level of mental health.

The importance of students' mental health;

1. First of all, maintaining mental health helps to improve students' comprehensive quality. If students can maintain good mental health in the face of challenges such as learning pressure, interpersonal relationship and self-cognition, it will help to improve learning efficiency, enhance innovation ability, enhance self-worth, and then promote students' all-round development.

2. Secondly, maintaining mental health helps to prevent and cope with psychological problems. Students will inevitably encounter various psychological problems in the process of growing up, such as anxiety, depression, inferiority and so on. Maintaining mental health can help students deal with these problems effectively and avoid the deterioration of problems and the development of mental diseases.

3. Finally, maintaining mental health is helpful for students' social adaptation and interpersonal communication. Having good mental health can make students more confident and good at expressing themselves when interacting with family, friends, teachers and classmates, and establish harmonious interpersonal relationships, laying a solid foundation for future social adaptation and career development.