Crane hook

The utility model provides a crane lifting hook which comprises a lifting hook shell and a lifting hook body fixedly installed below the lifting hook shell. A blocking plate is hinged to the position, close to the lifting hook shell, of the lifting hook, and the blocking plate is hollow. The blocking plate is mounted on the lifting hook through a hinge shaft, and a torsional spring is fixedly mounted on the hinge shaft; a fixing block is further arranged in the blocking plate, and one side of the fixing block is connected with a sliding block through a spring. A telescopic rod is arranged on the side, away from the fixed block, of the sliding block and can stretch out of the blocking plate. A locking shaft is installed at the end, extending out of the locking plate, of the telescopic rod, a groove is formed in the hook tip of the lifting hook, and the locking shaft can extend into the groove; when the crane lifting hook is used, after goods are hung on the lifting hook, anti-disengagement locking of the lifti