The utility model discloses a smoke flow field adjusting device of a bag-type dust remover. The adjusting device comprises a fixing base, a throttle washer and throttle washer fastening devices. The adjusting device is arranged at each bag opening of the bag-type dust remover, the fixing base is fixed on a tubesheet at each bag opening, and the throttle washer is arranged in the middle of the fixing base through the throttle washer fastening devices. The adjusting device arranged at each bag opening of the tubesheet, the quantities of smoke of bag type dust removers are adjusted to be basically identical by selecting throttle washers with different hole diameters, the quantity of smoke treated by each filter bag can be adjusted to be uniform, the problem of high probability of damage of the filter bags in local bag areas can be solved, and the efficiency of the bag type dust remover can be improved.