The present invention relates to a heat insulating structure of a reefer ship (1), wherein the reefer ship comprises a plurality of cargo receiving holds (5a to 5d, H1 to H3), each cargo receiving hold is a first Opposing partition pairs (11 A, 11 F) and a second opposing pair of partition walls (12 S, 12 P) substantially parallel to the longitudinal axis of the ship.BACKGROUND OF THE INVENTION本発明はリーファ船(1)断熱構造に関し、リーファ船が複数の貨物受け入れ船倉(5a~5d,H1~H3)を備え、各貨物受け入れ船倉は、船舶の縦軸線に対して略垂直な第1の対向する隔壁対(11A,11F)と、船舶の縦軸線と略平行な第2の対向する隔壁対(12S,12P)とによって画定される。【選択図】 図2A