Anxiety is a person’s worry, fear or nervousness about potential future danger. What are the symptoms of anxiety? 1. Worrying 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 inexplicable worry, panic can not end the day. 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 attacks; 2, generalized anxiety disorder; 3, social phobia; 4, place phobia; 5, specific phobia; 6, obsessive-compulsive disorder; 7, post-traumatic stress disorder; 8, acute stress disorder.