May 5 is National College Student Mental Health Day. In recent years, college students' mental health has become a hot topic.

How can college students tell if they have a mental illness? What can you do after suspecting that you have amental illness? How should colleges and universities take care of the mental health of college students? What are the three dimensions to assess a person's mental health? What should students do if they suspect they are in a bad mood? What do you think? Share your thoughts in the comments below.