The invention relates to a portable type tobacco leaf grading standard light-source working platform. The portable type tobacco leaf grading standard light source working platform comprises a lower table body, an upper table body, at least three table legs, a supporting frame, light-shading cloth and an illuminating device, wherein the illuminating device comprises illuminating lamps and a power adapter; the illuminating lamp is connected with the power adapter; the lower table body is hinged with the upper table body; the inner parts of the lower table body and the upper table body are partitioned into a plurality of storage bins by partitioning plates; a cover plate is arranged at the upper part of each storage bin; the upper ends of the table legs are inserted into lower connecting holes in the lower parts of the lower table body and the upper table body; the supporting frame comprises a plurality of supporting rods and cross rods; the lower ends of the supporting rods are inserted into upper connecting holes in the upper parts of the lower table body and the upper table body; the cross rods are inserted into inserting holes in the upper ends of the supporting rods; the light-shading cloth covers the supporting rods and the cross rods; and the illuminating lamps are arranged on the supporting rods. The color temperature, the illuminance and the color rendering index set in the illuminating device conform to relevant standard requirements respectively. The portable type tobacco leaf grading standard light-source working platform has the advantages of small volume, light weight and carrying-on function.