PurposeCouldbloodtypeprovidethekeytowellnessand–affectourpersonality?Thetheorythatbloodtypeislinkedtopersonality(andothermentalandphysicalqualities)ispopularmostlyinJapan,althoughithascarriedovertoTaiwanandSouthKorea. ResearchDesign,Data,andMethodologyQuestionnaires–weredistributedto380productionlinecompanyemployees.Thereliabilityandvalidityofthequestionnaireswereexaminedthroughindependencetestingandtheaverageratiocomparisonofthetwopopulations.Additionally,usingPearson'schi-squareformula,therelationshipbetweenthebloodgroup(independentvariable)andgeneralgroupparticipation(dependentvariable)wastestedalongwiththeSchuprowcoefficient. ResultTheprioritizationofbloodgroupsoverthegeneral–groupparticipationwasidentifiedandthefollowingresultswereobtained:Individualgroupparticipationisaffectedbypersonalityfeaturesderivedfromtemperament,mood,andothercharacteristics. ConclusionThestudyshowedthatindividualbloodgroups–haveaneffectontheirgroupcooperation,andamongbloodgroups,bloodgroupAhadthegreatesttendencytogrouppar-ticipation,followedbybloodgroupsO,AB,B,respectively.