This study's for mentally Disabled Persons about the vocational rehabilitation process, between Korea and Japan what's the different of the low. For the vocational rehabilitation process regulations and part of professional rehabilitation facilities I did compare it. The result in the next. 1. For the vocational rehabilitations definition in rightousness contents is Korea has inclusively clear then Japan. 2. For the vocational rehabilitation facilities is Korea has sheltered employment to general employment, but Japan has only general employment. 3. For the vocational rehabilitation operate facilities are a part. Japan has concretely point out and they are clearly shows responsibility 4. For the vocational rehabillitation operate facilities to be involve in Korea has the administration center unit organization of discussion also. But Japan has the vocational rehabilitation operation facilities are a part of regulation.