Abstract: A supporting frame comprises a bottom plate; two lateral plates capable of being installed to two lateral sides of the bottom plate; and two supporting plates capable of being installed two ends of the bottom plate; and a free end of one supporting plate being resisted against another supporting plate. Each supporting plate has a respective hook for hooking the rod body. Each lateral plate has an inward recess, and each inward recess is installed with a pivotal rod, respectively; and each lateral plate has a hook portion; each hook portion is selectively installed to the pivotal. Each supporting plate has plurality of positioning recesses, and a free end of another supporting plate can be buckled to one of the recess. The bottom plate has two through holes for retaining a supporting rod.