The need to have the effects of horticultural therapy as a scientific treatment according to horticultural therapy processes progressed by the therapist's intentions and to have horticultural therapist acknowledged as a special occupation has been recognized. Consequently, this study has been performed in hopes of specialty enhancement, joint responsibility during treatment and an exhaustion solution of therapists for horticultural therapy with the execution of the "supervision" through a phased practical training system as a specialized education method of therapists. The present status of the "horticultural therapy supervision" was researched with horticultural therapists and reserve horticultural therapist as subjects and the present form was illustrated, and the method and contents of how they wanted to receive this supervision was researched through surveying. Also, whether there is a difference in administrative, educational, and supporting horticultural therapy supervision and overall horticultural therapy supervision according to the horticultural therapist and reserve horticultural therapist group, horticultural therapy(main treatment) experience, horticultural therapy performance degree, horticultural therapist foster curriculum type.