Social phobia is an anxiety disorder which can be found in general and specific subtype in general population from 2.4 to 16%. People who are suffering from social phobia don't have opportunities for optimal development and their quality of life and work productivity is ruined too. Authors showed definition, diagnosis and differential diagnosis, epidemiology, clinical features, quality of life, work and social disability of people with social phobia. Biology and therapy of social phobia are also presented. This paper is based on findings around the world. Authors recommend more attention to social phobia, its specific type which is very rare, as much as one in comorbidity because this disorder can make big economic costs, especially through work disability, which can be changed by early treatment.