The utility model discloses an electric motor car battery package arrangement structure, include the frame and install the battery package on the frame, the battery wraps and two back battery packages including a preceding battery, and just preceding battery package and back battery package are " article " font and arrange, be equipped with the guard plate between preceding battery package and the back battery package, the utility model discloses an electric motor car battery package arrangement structure, the battery integration in battery package, the installation of being convenient for, the style setting of guaranteeing job assignments of three battery, the arrangement structure of " article " font, this kind of arrangement form is favorable to rational distribution load, makes that to put in order the car atress even, and this mounting structure is simple, easy to carry out, and, between fixed package of battery in the front of guard plate and the back battery package, can block that the plug terminals of ground debris and two batteries package contacts to can effectively protect plug terminals, prevent that ground debris (being muddy water, dust, dust or rubble etc. ) and plug terminals from contacting and shortening the life who connects spigot, reduces user's use cost.