The utility model relates to a package detection technology, and particularly relates to a cigarette pack-missing detector. The cigarette pack-missing detector comprises metal photoelectric proximity switches, two green indicator lights, a red indicator light, a controllable programmer, an upper mounting box hood and a lower mounting box hood, wherein the metal photoelectric proximity switches are respectively arranged on the upper mounting box hood and the lower mounting box hood; the two green indicator lights and the read indictor light are arranged on the surface of the upper mounting box hood; the controllable programmer is connected with the metal photoelectric proximity switches via circuits, and the programmer is respectively connected with the three indicator lights via circuits. The cigarette pack-missing detector disclosed by the utility model is stable and reliable in performance; the defects of misinformation and missing report are effectively solved; the product quality is improved; the cost is reduced; the cost is about 1/10 of that of original equipment; and the service life is long and stable, and the working strength is reduced.