Construction ladder

The utility model belongs to the technical field of construction ladders, and particularly relates to a construction ladder which comprises a construction ladder body and four rotating grooves, the four rotating grooves are formed in the two sides of the inner side of the construction ladder body respectively, and rotating rods are rotationally connected into the rotating grooves; the multiple fixing assemblies are located in the multiple rotating grooves correspondingly and used for fixing the corresponding rotating rods; the multiple sliding grooves are formed in the bottom ends of the multiple rotating rods correspondingly, through grooves communicating with the outside are formed in the inner walls of the sliding grooves, lead screws are slidably connected into the sliding grooves, and the lead screws are sleeved with rotating wheels rotating relative to the through grooves; the utility model solves the problems that the construction ladder does not have a supporting mechanism, so that the construction la