This paper present a variety of views of integration in Korean language education. The integration in Korean language education has been discussed In various points-aspects of its concept or character or principles. I summarized these discussions by dividing them into four viewpoint. The first viewpoint is `the integration as a thought`, and the next is `the integration as a method`, and the third is `the integration as a principle`, and the last viewpoint is `the integration as a activity`. For giving a detailed account of, the first viewpoint means that the integration is based on a ideal background. which supports that the integration is a recurrence for being a whole language. And the second viewpoint means that the integration could be a method for coordinating different provinces of Korean language education. The third viewpoint means that the integration could be some principle which is for connecting the teaching and learning. The last viewpoint means that the integration could be a activity which is in a class or a language.