This research inquires into university the student exercises the association participate in slow pitch Softball to exercise the research of motive factor. Inquire into National Chin Yi University of Technology, fix an even institute of technology university student to participate in slow pitch Softball the motive of softball exercise why. Researcher with is a data collections tool from the plait” university the student exercise the association participate in slow pitch Softball exercise motive of inquisition questionnaire”. Also gain a questionnaire data through statistics an analytical method to include: Describe sex covariance, the t examine, factor analysis, notable level it affirm, all with the α be worth=.05 is tandard. Through analytical study, the result met with is as follows: University and college exercise association participates in slowly and soon the research of softball exercise motive factor to take” mental need” as the highest, one after another and secondly is lowest for” knowledge need”, ”healthy and proper ability”, ”social need” for” self achievement need”.