The invention provides an automobile battery module, a control method and a control device for the automobile battery module. The automobile battery module comprises a battery module body, a battery tank and air flue baffles, wherein the battery module body is arranged in the battery tank; a heat-conducting structure is arranged between at least one side wall of the battery tank and the battery module body; a heat conducting air flue is arranged on one side, far away from the battery module, of the side wall with the heat-conducting structure; and the air flue baffles are respectively arranged at an air inlet and an air outlet of the heat conducting air flue. The automobile battery module and the control method for the automobile battery module provided by the invention can realize heat dispersion and heating; the heat generated by heating is prevented from being lost; the waterproof dustproof grade of the tank is not damaged; the automobile battery module can meet the requirement of running under different states of the electric automobile; the thermal adaptability of the electric automobile can be promoted; and the service life of the power system is prolonged.