Suspension hook with anti-drop device

The utility model aims at providing a suspension hook of an anti-drop device. The suspension hook comprises a suspension hook body, a tongue piece and a limiting device, wherein the tongue piece is movably hinged to the suspension hook body, the limiting device is a rectangular frame structure comprising a limiting edge, one end of the limiting device is fixed to a junction point of the tongue piece and forms a T-shaped structure with the tongue piece, and the other end of the limiting device runs through the suspension hook body to be connected with the limiting edge; the length of the limiting device is slightly smaller than the longest distance from the junction point to the outer side of the suspension hook body. The suspension hook with the anti-drop device is simple to produce, capable of being directly modified on the basis of the existing suspension hook, low in cost, convenient in use and capable of greatly improving the safety of factory cranes.