The utility model provides an anti-theft type shutter which comprises a shutter body and shutter blades. The anti-theft type shutter is characterized in that: the anti-theft type shutter further comprises an upper guide rail, a lower guide rail and a sliding guide rod; the upper guide rail and the lower guide rail are arranged at the upper and lower sides of the shutter body, the sliding guide rod which can transversely slide is vertically arranged between the upper guide rail and the lower guide rail, and the shutter blades are fixedly connected at the two sides of the sliding guide rod in a symmetrical manner; equidistant connecting threads are respectively arranged among the shutter blades, the length of each segment of connecting thread is smaller than or equal to the width of the shutter blades on the sliding guide rod, the overall length of the connecting threads is corresponding to the length of the shutter body, and the sliding guide rod and the shutter blades which are divided into two groups left and right can be respectively folded to the left and right sides of the shutter body. The anti-theft type shutter not only has the functions of light adjusting and ventilating of the common shutter, but also has the function of anti-theft; moreover, the anti-theft type shutter can meet different requirements of users, and has the advantages of saving space, materials as well as cost.