Social work in the colleges and universities with specific majors was produced in western society in modern times. This paper introduces the processes and types of social work in the colleges and universities in the United Kingdom and the United States in historic evolution such as the seeds and establishment, traditional clinic model, college evolution model, community school model, social interactive model, new development trends and so on, and points out that the development of social work in colleges and universities so far has become the most representative branch of disciplines and that the experience in western countries provides the reference for practical model of domestic development of social work in colleges and universities.