The utility model discloses an adjustable push-insurance padlock, which comprises a mother lock and a father lock, make use of the guide rod on the father lock, push toward the guide groove of the mother lock, until the upper part of the father lock and mother lock fasten the lock catch, stop and lock, the lockpin promoted at the same time, with the weakness of easy to be forced and sheared hidden, and achieves the safety function. The utility model is of rational design, simple structure, easy to be manufactured, low cost, easy to use, and good effects of against force and shearing.