Portable dismountable vehicle-mounted snack box

The invention discloses a portable demountable vehicle-mounted snack box which comprises a base arranged at a ventilation opening of an automobile and an upper cover, wherein the upper cover is arranged on the base. According to the portable demountable vehicle-mounted snack box disclosed by the invention, since the base is arranged at the ventilation opening of the automobile, biscuits, dry fruits and other snacks required to be carried are placed in a box body, so that the biscuits, dry fruits and the like are prevented from being crushed; in addition, since the snack box is positioned at the ventilation opening of an air conditioner, so that the problem of deterioration unlikely occurs, the fruity flavor permeates the whole carriage in an air flowing process, and further the effects of an air freshener are realized; meanwhile, the snack box is simple in structure, easy to mount and convenient to carry, the problem that snacks cannot be placed in the automobile is solved well, cleanliness of the carriage is guaranteed and further the demands of automobile owners are met better.