The invention discloses a novel zipper durability testing device comprising a device main body, a front side cover plate, a first sliding chute, a second sliding chute, a first sliding rail, a secondsliding rail, a first sliding block, a second sliding block, a clamping head, a third sliding block, universal wheels and a control panel. Compared with the prior art, the device in the invention is simple in structure and reasonable in design, the zipper is clamped by arranging the first sliding block and the second sliding block, in cooperation with an automatic clamping plate of the third sliding block, the repeated durability test of the zipper can be carried out conveniently and rapidly, the stability is high, and the test effect is good; by arranging the control panel and the universal wheels, the test method can be conveniently adjusted, the test frequency can be conveniently learned, and the carrying difficulty of the device is greatly reduced due to the universal wheels. The device is worthy of popularization.