(B, ) the utility model discloses an anticreep rail device for lift -cabin door, including lift -cabin door slider and sill guide slot, its characterized in that, the lift -cabin door slider includes the slider bracket with lift -cabin door bottom fixed connection, and with slider bracket parallel arrangement's half frame type stop hook, slider bracket bottom with half frame type stop hook middle part is through rubber circle swing joint, puts into the sill guide slot with slider bracket bottom, half frame type stop hook bottom and middle part together together with the rubber circle, behind the half rotatory frame type stop hook of (b) (b) 90 (b) (b), the bottom card of half frame type stop hook is gone into in the sill guide slot, the utility model has the advantages of, not only simple structure, simple to operate when the lift -cabin door receives serious striking, block between half frame type stop hook bottom and the sill guide slot moreover, prevent effectively that the lift -cabin door from droing, alleviate the risk that the elevator passenger fell into the well, improve the factor of safety of elevator. (B, )