This study was discussed that hotel department students which were adopted ”Sandwich teaching system” should be provided with professional ability expert degrees to be the subject matter. The purpose of this study is exploring the sandwich teaching system on ”studying- practicing-studying-practicing”, namely, from the process of taking courses on the campus for one semester; practicing outside the campus for one semester. Students are evaluated their professional ability master degrees by proving the practicable course planning on the campus versus the real situation practicing, to be the reference of farther planning inside and outside the campus courses. 106 hotel management department students of Jen Win Institute Technology is the subject of this study, adopt literature exploration interview and survey etc., respectively obtain the primary and secondary data to generalize analysis, and explore that what are the concrete item included of professional ability that hotel management department student should be provided with under the sandwich teaching system implement.