To provide a hooking device having a slip off preventing part, effectively preventing a hoisted article from being slipped off or released from a hooking part, and having a mechanism for easily pulling out a hook part buried under a heavy hoisted article.

The hooking device comprises a hooking part 1, a slip off preventing part 2, a hook support part 3, and a locking part 4. The hooking part 1 and the hook support part 3 are maintained by the locking part 4 in such a layout that the both members are approximately abutting if the hook support part 3 is rotated in a reverse direction. With this layout, the hook part 1 is pulled off from the hoisted article. A fixing part 12 for preventing slip off, having a slide groove 121 for slidingly, automatically guiding one end part of a slip off preventing tip of the slip off preventing part 2, and a support arm fixing part 122 for rotatably fixing a support arm of the slip off preventing tip is arranged on the inside upper part of the hooking part 1.