Step ladder device

The utility model relates to the technical field of step ladders, in particular to a step ladder device which comprises a main ladder, step ladders are arranged between supporting legs of the main ladder, the step ladders are connected with the main ladder in a sliding mode, the step ladders can slide in and out of a space below a table top of the main ladder, the step ladders are arranged between the supporting legs of the main ladder, and the step ladders are connected with the main ladder in a sliding mode. During use, the step ladder slides towards the outer side of the table top of the main ladder, the step ladder device can be quickly erected, through connection of the step ladder and the main ladder, the supporting stability is good, other auxiliary personnel do not need to be matched for supporting, an operator goes up and down the main ladder along the step ladder, and the safety coefficient is high, so that the step ladder device can be quickly erected, and the erected step ladder device is good in