In the subdivided modern society, there are government agencies, schools, companies and other groups, as well as students, stewardesses, navigators, pilots, policemen, doctors and nurses, shop assistants and other positions. Or in order to distinguish it from clothes with special appearance that do not belong to these groups or to express their respective identities, according to the characteristic "type" of each occupation, we can have a feeling that "this" or "these" uniforms are a certain occupation, and clothes with this feeling can be used to define whether they belong to the scope of professional wear.