Anxiety disorder is a broad term used to describe a group of mental disorders characterized by a collection of anxiety symptoms as the primary clinical presentation. These disorders are marked by excessive fear and anxiety, along with associated behavioral disturbances. Fear refers to an anxious reaction when confronted with a specific unfavorable or dangerous situation, while anxiety refers to a state of highly disturbed anticipation, accompanied by nervousness and autonomic dysfunction, even without appropriate ob-jective factors. According to the ICD-11 and DSM-5 classifications of dis-orders, the current anxiety disorder includes: generalized anxiety disorder, panic disorder, agoraphobia, social anxiety disorder, specific phobia disorder, dissociative anxiety disorder, selective mutism and anxiety disorders caused by other medications or physical illnesses. The five most common types of anxiety disorders are generalized anxiety disorder, panic disorder, specific phobia disorder, social anxiety disorder and specific fear disorder.