Students decide their favorite majors by themselves through a way of the diversity entrance. However, when a new educational policy enforces, the Ministry of Education has to continue to follow up and inquest the outcomes so as to conform main purposes of this system. The aim of the research is to understand whether or not there is a significant difference between students' competencies and cognitions in the hospitality field of universities in Taiwan and concludes several results. First, the department of hospitality has become the most popular major. About the competencies (consistence level) part, male is more confident than female. Second, through running the Factor Analysis, the research gets eight factors from some items of competencies like front office, housekeeping, dining and so on. Third, under the diversity entrance, there is a difference between students' competencies (significance level) and cognitions. Fourth, under the diversity entrance, there is a difference between students' competencies (consistence level) and cognitions.