Tobacco shred structure adjusting equipment comprises a feeding belt conveyor, a shred breaking device, a discharging belt conveyor, a guiding groove and a fixed frame. The feeding belt conveyor is located on the upper left portion of the discharging belt conveyor, one end of the feeding belt conveyor is connected with the upper end of the shred breaking device, the other end of the feeding belt conveyor is connected with the upper end of the guiding groove, and the lower end of the shred breaking device and the lower end of the guiding groove are both connected with the discharging belt conveyor. The tobacco shred structure adjusting equipment is characterized in that the shred breaking device is composed of a shred evening roller, a shred feeding roller, a shred breaking roller, driving motors and a protective cover, the three rollers are arranged in mutual parallel and the same in length, the end faces on the same sides of all the rollers are flush with one another, and each roller is provided with the driving motor corresponding to the roller. The tobacco shred structure adjusting equipment is easy to operate, safe, reliable and low in manufacturing cost, the shred breaking device can be adjusted and controlled according to different specifications of shreds, so that the optimum shred adjusting rate is obtained, and shred structures are improved.