What is anxiety? Anxiety is a person’s worry, fear or nervousness about potential future danger. What are the symptoms of anxiety? 1.Worry about something: for example, worrying about physical illness, worrying about people looking down on you, worrying about not doing a good job, worrying about family members having accidents or inexplicably worrying and panicking. 2, easily frightened. 3.Sleeping badly, dreaming a lot. 4.Lack of concentration, fidgeting. 5, a variety of physical discomfort: chest tightness and shortness of breath, dizziness and headache, gastrointestinal discomfort, urinary frequency and urgency, throat discomfort. What kinds of anxiety disorders are there? 1.Panic attack. 2.Generalized anxiety disorder. 3.Social phobia disorder. 4.Phobia of places. 5.Specific phobia. 6, obsessive-compulsive disorder. 7.Post-traumatic stress disorder. 8, Acute stress disorder.