This research main purpose is according to study the student of the institute of higher educaiton participate in the motive of volleyball exercise why. Researcher to Be a tool of data collections from”the student of the institute of higher educaiton participates in the volleyball exercise questionnaire of the motive” of the plait.With meet Feng Chia University and Tung Hai University to take an elective subject volleyball exercise student be used as object of this research.Use of the data analysis method include:Descriptive statistics, t examination, the factor analyze, notable level it affirm, all with the α be worth =.05 is standard.Through analysis study meet with result as follows: (一) participate in a student is known as the majority of the boy;Grade with grade three mostly;Participate in a number is known as the majority of Tung Hai University;To have never taken part in representatives from volleyball in school mostly;Average month's costing is known as the majority of below 1000 dollars. (二) in participating in the motive degree factor, take”the healthy need” as the highest, is secondly ”the social need”, again is secondly ”the sense need”, lowest is ”achievement need”.