Occupant　behaviour　has　an　important　role　in　both　the　environmental　performance　and　energy　performance　of　buildings,　which　has　been　thoroughly　demonstrated　in　the　past　several　decades.　Based　on　a　review　work,　some　research　gaps　have　been　identified　in　the　area　of　occupants＇　ventilation　behaviour　and　to　answer　those　gaps　a　field　study　was　carried　out　in　a　student　dormitory　building　in　Beijing,　China,　over　the　period　of　one　transitional　season　in　2015.　The　study　monitored　students＇　ventilation　behaviour　dynamically　with　concurrent　measurement　of　relevant　influential　factors　that　have　been　identified　in　existing　studies　carried　out　in　conventional　buildings.　The　analysis　carried　out　in　the　study　aimed　to　demonstrate　the　influence　of　those　previously-identified　factors　in　the　case　study　building.　The　factors　examined　in　the　study　included　outdoor　air　temperature,　indoor　air　temperature,　occupant　presence,　and　certain　aspects　relating　to　personal　preferences.　From　the　analysis,　it　was　found　that　all　these　factors　can　influence　students＇　ventilation　behaviour　in　dormitories.　However,　the　influence　of　occupant　presence　seems　to　be　different　from　the　findings　in　conventional　buildings　which　focused　mainly　on　the　use　of　external　windows,　and　not　balcony　doors,　which　are　included　in　this　study.　©　2016　NCEUB.　All　rights　reserved.