In this study we survey the sexual matters of mentally retarded people who\'re staying in the facility by contacting the trainers in the rehabilitation facility, tried to find out the characteristic sexual behaviors of the mentally retarded people, and analyzed the findings. And, based on the results, we attempted to provide basic data to build and apply national policies by changing the perceptions of the related institutions, society and the government, so the mentally retarded people can be recognized as a sexual individual, thereby raising the living quality of the mentally retarded people. In this study, based on the analysis of the surveyed data that we collected by contacting the trainers at the rehabilitation centers in the country, which were registered to the Ministry of Health and Welfare between November 20 of 2004 and December 20 of 2004, we suggest a national policy to deal with the sexual matters of the people institutionalized in the mental rehabilitation facilities in the country.