Safety belt lock catch with cutter

The invention relates to the field of safety belts, in particular to a safety belt lock catch with a cutter. The safety belt lock catch comprises a lock catch body. A slot in which an insertion bolt is inserted is formed in one end of the body. A side cover is arranged on one side of the body. The cutter is contained in a cavity defined by the side cover and the side face of the body. The cutter is directly fixed to one side of the lock catch body. In the use process, the cutter can be taken out only by opening the side cover; and due to the fact that the cutter is arranged beside a seat, a user can obtain the cutter simply by stretching the hand, and use is convenient.