The invention relates to a protective storage device of construction drawings, and in particular to a ventilating-type protective storage device of construction drawings. The invention aims at solvingthe technical problem of providing the ventilating-type protective storage device of construction drawings, which can guarantee air circulation around the drawings and can take an anti-dust effect. In order to solve the technical problem, the ventilating-type protective storage device of construction drawings provided by the invention comprises a placing frame, a placing box, first sliding rails,first sliding blocks, nuts, first seal rings, first bearing seats, threaded rods, placing plates, a guide rail, guide sleeves and the like, wherein the placing box is connected to the top of the placing frame; the first sliding rails are connected to the middles of left and right walls of the interior of the placing box; and the first sliding blocks are uniformly connected to the first sliding rails in a sliding mode. According to the ventilating-type protective storage device of construction drawings provided by the invention, effects of guaranteeing air circulation around the drawings and preventing dust can be achieved, so that labor is saved; and the device is more convenient to use.