The utility model discloses a cigarette detection clamping structure which comprises a fixedly-installed portal frame. The two ends of the portal frame are each provided with a through hole and provided with a sliding plate in a sliding mode. A clamping plate is installed at the lower end of each sliding plate. The upper portion and the lower portion of the other end of each sliding plate are each provided with a row of teeth. A gear is rotationally arranged between the teeth of the two sliding plates. Teeth on the clamping plates are meshed with the gear. The end of the teeth on each sliding plate is provided with a limiting protrusion. Guide limiting plates are connected to the sides of the through holes in the portal frame. According to the cigarette detection clamping structure, the structural design is simple and ingenuous, the cigarette production efficiency, cigarette quality and packaging speed can be improved, the working efficiency and product quality are directly or indirectly improved, operation is facilitated for operators, and the working intensity of the operators is lowered.