The present invention discloses a transformable multifunction backpack, including a main backpack body, retractable rods, and detachable rods. The retractable rod has a fixed portion and a handle portion; the fixed portion is stored within the main backpack body, and the handle portion can extend out of the fixed portion telescopically. The retractable rod and the detachable rod are attached together with a lockable means, such as a lockable pin, for quick release and adjustment. The backpack also includes a rolling base board which can be placed under the backpack body, or been used as a skateboard. The retractable rod can also be used as a cane. The main backpack body also has a child strap for carrying a small child. The backpack main body is comprised of several different fabric pieces, connected together with a connecting means, such as zippers or buttons.