The H-1B program allows companies and other employers in the United States to temporarily employ foreign workers that belong to some specific field

It allows U.S. employers to hire foreign workers in specialized fields. For instance, IT, engineering, and healthcare... Hope this helps.

The H-1B is a temporary (nonimmigrant) visa category that allows employers to petition for "highly educated" foreign professionals to work in “specialty occupations” that require at least a bachelor's degree or the equivalent