Depression. Depression refers to neurosis characterized by persistent depression.
Phobia. Phobia is an irrational fear of certain things and scenes that are not really harmful.
Obsessive-compulsive disorder is characterized by conscious self-compulsion and anti-compulsion. The strong conflict between them makes individuals feel anxious and painful, including obsessive-compulsive ideas and compulsive behaviors.
Internet addiction. Internet addiction refers to the phenomenon that individuals' excessive use of the internet leads to obvious damage to their social function and psychological ability.
Mental health is a good and continuous mental state and process, which shows that individuals have vitality, positive inner experience and good social adaptability, and can effectively play their physical and mental potential and positive social functions as members of society.