A tobacco shred smoothing device of a moisture meter comprises a tobacco shred cabinet, a tobacco shred discharging hopper and a conveying belt, and is characterized in that a machine base is fixedlyconnected above the downstream of an upper conveying belt of the tobacco shred cabinet, a motor I is assembled on the machine base, and an output shaft of the motor I is hinged to one end of a rockerarm I; sliding rails are arranged on the two sides of the tobacco shred cabinet, sliding blocks are slidably connected to the sliding rails on the two sides, and the other end of the rocker arm II ishinged to the sliding block on one side through a rotating shaft; connecting plates are fixedly connected to the sliding blocks on the two sides respectively, smoothing wheels are connected to the connecting plates through rotating shafts, and a motor II is connected to one end of each rotating shaft.