Clinical manifestations The main manifestation is the fear of being in full view of everyone, everyone watching themselves; or fear of making a fool of themselves in public, so that they are in an embarrassing or embarrassing situation, and therefore afraid of public speaking, performance, eating or going to the public toilet, can not control the hand shaking when writing in public, or stammering in social occasions can not answer. Fear of meeting people, being seen by others, and therefore anxiety, is called naked face phobia. Fear of looking at others, or think that the afterglow of the eyes are peering at others, and therefore anxious, is called confrontation phobia. Fear of meeting strangers or familiar people in public places is known as “personophobia. Fear of meeting people of the opposite sex is called heterophobia. Most people with social phobia have a fear of only one or a few social interactions or public performances, called specific social phobia. Usually there can be no symptoms at all, and their anxiety symptoms only appear when they fear they will encounter a feared social situation or have entered a fearful situation. At this time, patients feel varying degrees of tension, anxiety and fear, often accompanied by flushing, sweating and dry mouth and other vegetative symptoms; in particular, shyness and blushing is the most prominent manifestation of social phobia. Cognitively, patients pay special attention to their expressions and behavior when meeting people, and underestimate their social performance. In cases where the fear of social situations is widespread, it is called generalized social phobia. These patients are often afraid to go out, to interact with people, or even to disengage from social life for a long period of time and are unable to work. Onset and course Often begins in adolescence or early adulthood. The onset is usually insidious, with no obvious cause. There are also cases of acute onset after a humiliating social experience. Surveys show that 70% of cases are female. The course of the disease is usually slow and about half of the patients have some degree of social dysfunction.