An electronic cigarette case of the invention, includes a case body and a case cover interconnected, an illuminating lamp is set in the case cover, a battery is set in the case body, the illumination lamp is electrically connected with the battery to form an illumination circuit, first and second switch contacts in the illumination circuit are independent and touchable, the case cover is set with a cover cam, the cam can push the first switch contact away from the second switch contact. The case has illumination device, can realizes illumination function; the illumination device has switch corresponding to the cover being open or closed, when the cover open, the illuminating lamp is on, thus the user can clearly see the atomizer, power rod and the electronic cigarette, which brings convenience to the user; when the cover closed, the illuminating lamp is off, which saves power, and prolongs using life.