The invention provides a foldable ladder. The foldable ladder comprises front pipes and back pipes, wherein the top ends of each front pipe and each back pipe are mutually hinged; the top ends of thetwo front pipes are connected with a telescopic rod; a multifunctional assembly is connected between the two telescopic rods, and comprises a fixed seat and a pull rod; each fixed seat is fixedly connected with the end parts of the two telescopic rods; a tool box is hinged and connected between the corresponding side surfaces of the middle parts of the two fixed seats; an installation seat is arranged at the corresponding side surfaces of the lower parts of the two fixed seats; a transverse rod is connected between the installation seats and is used as an armrest; the side surfaces of the upper parts of the two fixed seats are connected with hooks to form a clothes hanger; each front pipe is provided with a travel groove; one end of each pull rod penetrates through the corresponding travelgroove and is hinged to the tail end of the corresponding telescopic rod, and the other end of each pull rod is hinged to the corresponding back pipe. The foldable ladder has the advantages that by arranging the tool box, more convenience and rapidity in use are realized for a user; the tool box is connected with the telescopic rods, so that the land occupation area is small in the transportationor package process, and the cost is reduced; by arranging the clothes hanger, the convenience in use is realized for the user.