The utility model discloses a tobacco divided flow type classifying defoliator unit which comprises a proportion distributor, defoliators, collecting belts, a conveying pipeline and classifiers. The defoliator unit at least comprises four defoliators which are divided into two groups; two groups of collecting belts which are connected in parallel are correspondingly arranged at the lower part of each group of defoliators, and the tail parts of the two groups of collecting belts are opposite to the tail part of each group of defoliators; the head parts of the collecting belts are respectively connected with the two-path conveying pipeline; the two-path conveying pipeline is respectively connected with two groups of independent classifier units; and the bottom of the two groups of independent classifier units are connected with the identical conveying pipeline and an inferior classifier unit. By adopting the collecting mode of tobaccos after being defoliated, the utility model achieves the distributary of the tobaccos after being defoliated, respectively carries out the classifying treatment, can effectively reduce the classifying load and the feeding flow capacity of the single classifier and improve the classifying efficiency, has remarkable classifying effect of fine stems, reduces the stem content index in the tobaccos, and is suitable for cutting the defoliating rebaking process and improving the classifying capacity, thereby reducing the noise and the energy consumption of the defoliator unit and causing the process, the installation and the maintenance to be more convenient.