A structure of mounting a member for carrying a cooler box is provided to make a handle detachable from a cooler box, and to prevent the handle from getting separated from a body of the cooler box. In a structure of mounting a member for carrying a cooler box, a handle(50) is able to be mounted on a body of a cooler box. The structure of mounting a member for carrying a cooler box includes a mounting plate portion(21), a protrusion portion(52) and a separation preventing member. The cooler box is installed to be separated from the left side surface of a body of the cooler box in a predetermined space. A mounting hole is installed on the cooler box. The protrusion portion is installed on the front end of the handle, and is inserted into the mounting hole.使手柄可裝卸於保冷箱,並且在將手柄安裝於保冷箱之後,防止手柄從保冷箱本體脫落。安裝板,係從保冷箱本體之壁面隔著預定的間隔所設置,且具有孔。卡止構件,係具有:可卡止於安裝板的下端之第2卡止部、及可卡止於安裝板的上端之第3卡止部、及連接第2卡止部與第3卡止部,且在使第2卡止部卡止於安裝板的下端之際使第3卡止部卡止於安裝板的上端地彈推之板彈簧部、及使第2卡止部卡止於安裝板的下端地彈推之彈推機構、以及連接於板彈簧部,且可安裝帶子之帶安裝部。脫落防止構件,係在將手柄之突出部插入於孔之際防止手柄從孔脫落。卡止構件與脫落防止構件,係可選擇性地安裝於安裝板。31‧‧‧帶安裝部35‧‧‧第3卡止部30‧‧‧卡止構件33b‧‧‧坡狀的部分33‧‧‧支點部33a‧‧‧大致半圓柱狀的部分37‧‧‧第2板彈簧部36‧‧‧第1板彈簧部(板彈簧部)32‧‧‧基板部34‧‧‧第2卡止部