The persons with internal organ impairments are a vulnerable group, having very complex medical conditions. This type of disability may affect one or more of the body's systems, including respiratory, neurological, circulatory, urological, and gastrointestinal systems. These persons differ from those with other disabilities, since numerous chronic health disabilities may fluctuate in severity. In addition, it is often the case that they are burdened by high medical costs, which in turn leads to poverty. Korean health care system should be reorganized to address the needs of the persons with internal organ impairments more effectively. Most importantly, development of medical security system is needed.