The study aimed to figure factors affecting employment needs of people with mental disabilities as the employment needs may differ according to income and occupational ability among people with mental disabilities who are classified economically inactive population. Study subjects included 298 economically inactive populations among registered people with mental disability. And the data from 2008-2010 Panel Data of Employment of Person with Disability were analyzed with logistic regression analysis. The result of the study is as follows. It has been found that interested in vocational education of mentally disabled when the graduated from junior high school, the types of intellectual disability, hope education participation rate was high. And then, Mental disabilities with employment needs, male, head of household, when the graduated from junior high school, when ability to increase physical activity and mental disabilities type of autism spectrum disorder when employment desires were. Based on these results, to increase the economic participation of people with mental disabilities, provide vocational rehabilitation services that reflect the needs of people with mental disabilities and employer-driven professional activity is proposed.