The National Research Association for Sign Language Interpretation is a nationwide organization that researches sign language, sign language interpretation, and issues of deaf people, and works for the improvement of the welfare for deaf people and the improvement of the social position of sign language interpreters. The affiliated chapters 47 nationwide administrative divisions in all act and study with deaf groups for the welfare improvement of the region.

Moreover, publishing the organization magazine 'Research Journal on the Problems of Sign Interpretation', the books, it tries to enlighten issues of deaf people. The membership is composed of people who learn sign language and who work as the sign language interpreters.